38891970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2557}}^1$

素因数の和:2596

約数の個数: 72

約数和(自身を含む): 109538676

約数和(自身を除く): 70646706

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1521, 1690, 2535, 2557, 3042, 5070, 5114, 7605, 7671, 12785, 15210, 15342, 23013, 25570, 33241, 38355, 46026, 66482, 76710, 99723, 115065, 166205, 199446, 230130, 299169, 332410, 432133, 498615, 598338, 864266, 997230, 1296399, 1495845, 2160665, 2592798, 2991690, 3889197, 4321330, 6481995, 7778394, 12963990, 19445985, 38891970]

約数ペア:

[(1, 38891970), (2, 19445985), (3, 12963990), (5, 7778394), (6, 6481995), (9, 4321330), (10, 3889197), (13, 2991690), (15, 2592798), (18, 2160665), (26, 1495845), (30, 1296399), (39, 997230), (45, 864266), (65, 598338), (78, 498615), (90, 432133), (117, 332410), (130, 299169), (169, 230130), (195, 199446), (234, 166205), (338, 115065), (390, 99723), (507, 76710), (585, 66482), (845, 46026), (1014, 38355), (1170, 33241), (1521, 25570), (1690, 23013), (2535, 15342), (2557, 15210), (3042, 12785), (5070, 7671), (5114, 7605)]