22819720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 43535480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 239, 248, 280, 308, 310, 341, 385, 434, 440, 478, 616, 620, 682, 770, 868, 956, 1085, 1195, 1240, 1364, 1540, 1673, 1705, 1736, 1912, 2170, 2387, 2390, 2629, 2728, 3080, 3346, 3410, 4340, 4774, 4780, 5258, 6692, 6820, 7409, 8365, 8680, 9548, 9560, 10516, 11935, 13145, 13384, 13640, 14818, 16730, 18403, 19096, 21032, 23870, 26290, 29636, 33460, 36806, 37045, 47740, 51863, 52580, 59272, 66920, 73612, 74090, 81499, 92015, 95480, 103726, 105160, 147224, 148180, 162998, 184030, 207452, 259315, 296360, 325996, 368060, 407495, 414904, 518630, 570493, 651992, 736120, 814990, 1037260, 1140986, 1629980, 2074520, 2281972, 2852465, 3259960, 4563944, 5704930, 11409860, 22819720]

約数ペア:

[(1, 22819720), (2, 11409860), (4, 5704930), (5, 4563944), (7, 3259960), (8, 2852465), (10, 2281972), (11, 2074520), (14, 1629980), (20, 1140986), (22, 1037260), (28, 814990), (31, 736120), (35, 651992), (40, 570493), (44, 518630), (55, 414904), (56, 407495), (62, 368060), (70, 325996), (77, 296360), (88, 259315), (110, 207452), (124, 184030), (140, 162998), (154, 148180), (155, 147224), (217, 105160), (220, 103726), (239, 95480), (248, 92015), (280, 81499), (308, 74090), (310, 73612), (341, 66920), (385, 59272), (434, 52580), (440, 51863), (478, 47740), (616, 37045), (620, 36806), (682, 33460), (770, 29636), (868, 26290), (956, 23870), (1085, 21032), (1195, 19096), (1240, 18403), (1364, 16730), (1540, 14818), (1673, 13640), (1705, 13384), (1736, 13145), (1912, 11935), (2170, 10516), (2387, 9560), (2390, 9548), (2629, 8680), (2728, 8365), (3080, 7409), (3346, 6820), (3410, 6692), (4340, 5258), (4774, 4780)]