689539840

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48973}}^1$

素因数の和:49005

約数の個数: 72

約数和(自身を含む): 1801851408

約数和(自身を除く): 1112311568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 48973, 97946, 195892, 244865, 391784, 489730, 538703, 783568, 979460, 1077406, 1567136, 1958920, 2154812, 2693515, 3134272, 3917840, 4309624, 5387030, 6268544, 7835680, 8619248, 10774060, 12537088, 15671360, 17238496, 21548120, 31342720, 34476992, 43096240, 62685440, 68953984, 86192480, 137907968, 172384960, 344769920, 689539840]

約数ペア:

[(1, 689539840), (2, 344769920), (4, 172384960), (5, 137907968), (8, 86192480), (10, 68953984), (11, 62685440), (16, 43096240), (20, 34476992), (22, 31342720), (32, 21548120), (40, 17238496), (44, 15671360), (55, 12537088), (64, 10774060), (80, 8619248), (88, 7835680), (110, 6268544), (128, 5387030), (160, 4309624), (176, 3917840), (220, 3134272), (256, 2693515), (320, 2154812), (352, 1958920), (440, 1567136), (640, 1077406), (704, 979460), (880, 783568), (1280, 538703), (1408, 489730), (1760, 391784), (2816, 244865), (3520, 195892), (7040, 97946), (14080, 48973)]