290697920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:478

約数の個数: 112

約数和(自身を含む): 730349568

約数和(自身を除く): 439651648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 127, 160, 184, 230, 254, 311, 320, 368, 460, 508, 622, 635, 736, 920, 1016, 1244, 1270, 1472, 1555, 1840, 2032, 2488, 2540, 2921, 3110, 3680, 4064, 4976, 5080, 5842, 6220, 7153, 7360, 8128, 9952, 10160, 11684, 12440, 14306, 14605, 19904, 20320, 23368, 24880, 28612, 29210, 35765, 39497, 40640, 46736, 49760, 57224, 58420, 71530, 78994, 93472, 99520, 114448, 116840, 143060, 157988, 186944, 197485, 228896, 233680, 286120, 315976, 394970, 457792, 467360, 572240, 631952, 789940, 908431, 934720, 1144480, 1263904, 1579880, 1816862, 2288960, 2527808, 3159760, 3633724, 4542155, 6319520, 7267448, 9084310, 12639040, 14534896, 18168620, 29069792, 36337240, 58139584, 72674480, 145348960, 290697920]

約数ペア:

[(1, 290697920), (2, 145348960), (4, 72674480), (5, 58139584), (8, 36337240), (10, 29069792), (16, 18168620), (20, 14534896), (23, 12639040), (32, 9084310), (40, 7267448), (46, 6319520), (64, 4542155), (80, 3633724), (92, 3159760), (115, 2527808), (127, 2288960), (160, 1816862), (184, 1579880), (230, 1263904), (254, 1144480), (311, 934720), (320, 908431), (368, 789940), (460, 631952), (508, 572240), (622, 467360), (635, 457792), (736, 394970), (920, 315976), (1016, 286120), (1244, 233680), (1270, 228896), (1472, 197485), (1555, 186944), (1840, 157988), (2032, 143060), (2488, 116840), (2540, 114448), (2921, 99520), (3110, 93472), (3680, 78994), (4064, 71530), (4976, 58420), (5080, 57224), (5842, 49760), (6220, 46736), (7153, 40640), (7360, 39497), (8128, 35765), (9952, 29210), (10160, 28612), (11684, 24880), (12440, 23368), (14306, 20320), (14605, 19904)]