440253580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:1015

約数の個数: 96

約数和(自身を含む): 1052642304

約数和(自身を除く): 612388724

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 83, 92, 115, 130, 166, 230, 260, 299, 332, 415, 460, 598, 830, 887, 1079, 1196, 1495, 1660, 1774, 1909, 2158, 2990, 3548, 3818, 4316, 4435, 5395, 5980, 7636, 8870, 9545, 10790, 11531, 17740, 19090, 20401, 21580, 23062, 24817, 38180, 40802, 46124, 49634, 57655, 73621, 81604, 99268, 102005, 115310, 124085, 147242, 204010, 230620, 248170, 265213, 294484, 368105, 408020, 496340, 530426, 736210, 957073, 1060852, 1326065, 1472420, 1693283, 1914146, 2652130, 3386566, 3828292, 4785365, 5304260, 6773132, 8466415, 9570730, 16932830, 19141460, 22012679, 33865660, 44025358, 88050716, 110063395, 220126790, 440253580]

約数ペア:

[(1, 440253580), (2, 220126790), (4, 110063395), (5, 88050716), (10, 44025358), (13, 33865660), (20, 22012679), (23, 19141460), (26, 16932830), (46, 9570730), (52, 8466415), (65, 6773132), (83, 5304260), (92, 4785365), (115, 3828292), (130, 3386566), (166, 2652130), (230, 1914146), (260, 1693283), (299, 1472420), (332, 1326065), (415, 1060852), (460, 957073), (598, 736210), (830, 530426), (887, 496340), (1079, 408020), (1196, 368105), (1495, 294484), (1660, 265213), (1774, 248170), (1909, 230620), (2158, 204010), (2990, 147242), (3548, 124085), (3818, 115310), (4316, 102005), (4435, 99268), (5395, 81604), (5980, 73621), (7636, 57655), (8870, 49634), (9545, 46124), (10790, 40802), (11531, 38180), (17740, 24817), (19090, 23062), (20401, 21580)]