28539940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:637

約数の個数: 96

約数和(自身を含む): 74680704

約数和(自身を除く): 46140764

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 143, 170, 187, 220, 221, 260, 286, 340, 374, 442, 572, 587, 715, 748, 884, 935, 1105, 1174, 1430, 1870, 2210, 2348, 2431, 2860, 2935, 3740, 4420, 4862, 5870, 6457, 7631, 9724, 9979, 11740, 12155, 12914, 15262, 19958, 24310, 25828, 30524, 32285, 38155, 39916, 48620, 49895, 64570, 76310, 83941, 99790, 109769, 129140, 129727, 152620, 167882, 199580, 219538, 259454, 335764, 419705, 439076, 518908, 548845, 648635, 839410, 1097690, 1297270, 1426997, 1678820, 2195380, 2594540, 2853994, 5707988, 7134985, 14269970, 28539940]

約数ペア:

[(1, 28539940), (2, 14269970), (4, 7134985), (5, 5707988), (10, 2853994), (11, 2594540), (13, 2195380), (17, 1678820), (20, 1426997), (22, 1297270), (26, 1097690), (34, 839410), (44, 648635), (52, 548845), (55, 518908), (65, 439076), (68, 419705), (85, 335764), (110, 259454), (130, 219538), (143, 199580), (170, 167882), (187, 152620), (220, 129727), (221, 129140), (260, 109769), (286, 99790), (340, 83941), (374, 76310), (442, 64570), (572, 49895), (587, 48620), (715, 39916), (748, 38155), (884, 32285), (935, 30524), (1105, 25828), (1174, 24310), (1430, 19958), (1870, 15262), (2210, 12914), (2348, 12155), (2431, 11740), (2860, 9979), (2935, 9724), (3740, 7631), (4420, 6457), (4862, 5870)]