25197900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 91494144

約数和(自身を除く): 66296244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 71, 75, 78, 84, 91, 100, 105, 130, 140, 142, 150, 156, 169, 175, 182, 195, 210, 213, 260, 273, 284, 300, 325, 338, 350, 355, 364, 390, 420, 426, 455, 497, 507, 525, 546, 650, 676, 700, 710, 780, 845, 852, 910, 923, 975, 994, 1014, 1050, 1065, 1092, 1183, 1300, 1365, 1420, 1491, 1690, 1775, 1820, 1846, 1950, 1988, 2028, 2100, 2130, 2275, 2366, 2485, 2535, 2730, 2769, 2982, 3380, 3549, 3550, 3692, 3900, 4225, 4260, 4550, 4615, 4732, 4970, 5070, 5325, 5460, 5538, 5915, 5964, 6461, 6825, 7098, 7100, 7455, 8450, 9100, 9230, 9940, 10140, 10650, 11076, 11830, 11999, 12425, 12675, 12922, 13650, 13845, 14196, 14910, 16900, 17745, 18460, 19383, 21300, 23075, 23660, 23998, 24850, 25350, 25844, 27300, 27690, 29575, 29820, 32305, 35490, 35997, 37275, 38766, 46150, 47996, 49700, 50700, 55380, 59150, 59995, 64610, 69225, 70980, 71994, 74550, 77532, 83993, 88725, 92300, 96915, 118300, 119990, 129220, 138450, 143988, 149100, 161525, 167986, 177450, 179985, 193830, 239980, 251979, 276900, 299975, 323050, 335972, 354900, 359970, 387660, 419965, 484575, 503958, 599950, 646100, 719940, 839930, 899925, 969150, 1007916, 1199900, 1259895, 1679860, 1799850, 1938300, 2099825, 2519790, 3599700, 4199650, 5039580, 6299475, 8399300, 12598950, 25197900]

約数ペア:

[(1, 25197900), (2, 12598950), (3, 8399300), (4, 6299475), (5, 5039580), (6, 4199650), (7, 3599700), (10, 2519790), (12, 2099825), (13, 1938300), (14, 1799850), (15, 1679860), (20, 1259895), (21, 1199900), (25, 1007916), (26, 969150), (28, 899925), (30, 839930), (35, 719940), (39, 646100), (42, 599950), (50, 503958), (52, 484575), (60, 419965), (65, 387660), (70, 359970), (71, 354900), (75, 335972), (78, 323050), (84, 299975), (91, 276900), (100, 251979), (105, 239980), (130, 193830), (140, 179985), (142, 177450), (150, 167986), (156, 161525), (169, 149100), (175, 143988), (182, 138450), (195, 129220), (210, 119990), (213, 118300), (260, 96915), (273, 92300), (284, 88725), (300, 83993), (325, 77532), (338, 74550), (350, 71994), (355, 70980), (364, 69225), (390, 64610), (420, 59995), (426, 59150), (455, 55380), (497, 50700), (507, 49700), (525, 47996), (546, 46150), (650, 38766), (676, 37275), (700, 35997), (710, 35490), (780, 32305), (845, 29820), (852, 29575), (910, 27690), (923, 27300), (975, 25844), (994, 25350), (1014, 24850), (1050, 23998), (1065, 23660), (1092, 23075), (1183, 21300), (1300, 19383), (1365, 18460), (1420, 17745), (1491, 16900), (1690, 14910), (1775, 14196), (1820, 13845), (1846, 13650), (1950, 12922), (1988, 12675), (2028, 12425), (2100, 11999), (2130, 11830), (2275, 11076), (2366, 10650), (2485, 10140), (2535, 9940), (2730, 9230), (2769, 9100), (2982, 8450), (3380, 7455), (3549, 7100), (3550, 7098), (3692, 6825), (3900, 6461), (4225, 5964), (4260, 5915), (4550, 5538), (4615, 5460), (4732, 5325), (4970, 5070)]