494137280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:347

約数の個数: 224

約数和(自身を含む): 1474744320

約数和(自身を除く): 980607040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 71, 80, 91, 104, 112, 130, 140, 142, 160, 182, 208, 224, 239, 260, 280, 284, 320, 355, 364, 416, 448, 455, 478, 497, 520, 560, 568, 710, 728, 832, 910, 923, 956, 994, 1040, 1120, 1136, 1195, 1420, 1456, 1673, 1820, 1846, 1912, 1988, 2080, 2240, 2272, 2390, 2485, 2840, 2912, 3107, 3346, 3640, 3692, 3824, 3976, 4160, 4544, 4615, 4780, 4970, 5680, 5824, 6214, 6461, 6692, 7280, 7384, 7648, 7952, 8365, 9230, 9560, 9940, 11360, 12428, 12922, 13384, 14560, 14768, 15296, 15535, 15904, 16730, 16969, 18460, 19120, 19880, 21749, 22720, 24856, 25844, 26768, 29120, 29536, 31070, 31808, 32305, 33460, 33938, 36920, 38240, 39760, 43498, 49712, 51688, 53536, 59072, 62140, 64610, 66920, 67876, 73840, 76480, 79520, 84845, 86996, 99424, 103376, 107072, 108745, 118783, 124280, 129220, 133840, 135752, 147680, 159040, 169690, 173992, 198848, 206752, 217490, 220597, 237566, 248560, 258440, 267680, 271504, 295360, 339380, 347984, 413504, 434980, 441194, 475132, 497120, 516880, 535360, 543008, 593915, 678760, 695968, 869960, 882388, 950264, 994240, 1033760, 1086016, 1102985, 1187830, 1357520, 1391936, 1544179, 1739920, 1764776, 1900528, 2067520, 2205970, 2375660, 2715040, 3088358, 3479840, 3529552, 3801056, 4411940, 4751320, 5430080, 6176716, 6959680, 7059104, 7602112, 7720895, 8823880, 9502640, 12353432, 14118208, 15441790, 17647760, 19005280, 24706864, 30883580, 35295520, 38010560, 49413728, 61767160, 70591040, 98827456, 123534320, 247068640, 494137280]

約数ペア:

[(1, 494137280), (2, 247068640), (4, 123534320), (5, 98827456), (7, 70591040), (8, 61767160), (10, 49413728), (13, 38010560), (14, 35295520), (16, 30883580), (20, 24706864), (26, 19005280), (28, 17647760), (32, 15441790), (35, 14118208), (40, 12353432), (52, 9502640), (56, 8823880), (64, 7720895), (65, 7602112), (70, 7059104), (71, 6959680), (80, 6176716), (91, 5430080), (104, 4751320), (112, 4411940), (130, 3801056), (140, 3529552), (142, 3479840), (160, 3088358), (182, 2715040), (208, 2375660), (224, 2205970), (239, 2067520), (260, 1900528), (280, 1764776), (284, 1739920), (320, 1544179), (355, 1391936), (364, 1357520), (416, 1187830), (448, 1102985), (455, 1086016), (478, 1033760), (497, 994240), (520, 950264), (560, 882388), (568, 869960), (710, 695968), (728, 678760), (832, 593915), (910, 543008), (923, 535360), (956, 516880), (994, 497120), (1040, 475132), (1120, 441194), (1136, 434980), (1195, 413504), (1420, 347984), (1456, 339380), (1673, 295360), (1820, 271504), (1846, 267680), (1912, 258440), (1988, 248560), (2080, 237566), (2240, 220597), (2272, 217490), (2390, 206752), (2485, 198848), (2840, 173992), (2912, 169690), (3107, 159040), (3346, 147680), (3640, 135752), (3692, 133840), (3824, 129220), (3976, 124280), (4160, 118783), (4544, 108745), (4615, 107072), (4780, 103376), (4970, 99424), (5680, 86996), (5824, 84845), (6214, 79520), (6461, 76480), (6692, 73840), (7280, 67876), (7384, 66920), (7648, 64610), (7952, 62140), (8365, 59072), (9230, 53536), (9560, 51688), (9940, 49712), (11360, 43498), (12428, 39760), (12922, 38240), (13384, 36920), (14560, 33938), (14768, 33460), (15296, 32305), (15535, 31808), (15904, 31070), (16730, 29536), (16969, 29120), (18460, 26768), (19120, 25844), (19880, 24856), (21749, 22720)]