449991040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:700

約数の個数: 128

約数和(自身を含む): 1142334720

約数和(自身を除く): 692343680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 155, 160, 185, 248, 296, 310, 320, 370, 496, 592, 613, 620, 640, 740, 992, 1147, 1184, 1226, 1240, 1480, 1984, 2294, 2368, 2452, 2480, 2960, 3065, 3968, 4588, 4736, 4904, 4960, 5735, 5920, 6130, 9176, 9808, 9920, 11470, 11840, 12260, 18352, 19003, 19616, 19840, 22681, 22940, 23680, 24520, 36704, 38006, 39232, 45362, 45880, 49040, 73408, 76012, 78464, 90724, 91760, 95015, 98080, 113405, 146816, 152024, 181448, 183520, 190030, 196160, 226810, 304048, 362896, 367040, 380060, 392320, 453620, 608096, 703111, 725792, 734080, 760120, 907240, 1216192, 1406222, 1451584, 1520240, 1814480, 2432384, 2812444, 2903168, 3040480, 3515555, 3628960, 5624888, 6080960, 7031110, 7257920, 11249776, 12161920, 14062220, 14515840, 22499552, 28124440, 44999104, 56248880, 89998208, 112497760, 224995520, 449991040]

約数ペア:

[(1, 449991040), (2, 224995520), (4, 112497760), (5, 89998208), (8, 56248880), (10, 44999104), (16, 28124440), (20, 22499552), (31, 14515840), (32, 14062220), (37, 12161920), (40, 11249776), (62, 7257920), (64, 7031110), (74, 6080960), (80, 5624888), (124, 3628960), (128, 3515555), (148, 3040480), (155, 2903168), (160, 2812444), (185, 2432384), (248, 1814480), (296, 1520240), (310, 1451584), (320, 1406222), (370, 1216192), (496, 907240), (592, 760120), (613, 734080), (620, 725792), (640, 703111), (740, 608096), (992, 453620), (1147, 392320), (1184, 380060), (1226, 367040), (1240, 362896), (1480, 304048), (1984, 226810), (2294, 196160), (2368, 190030), (2452, 183520), (2480, 181448), (2960, 152024), (3065, 146816), (3968, 113405), (4588, 98080), (4736, 95015), (4904, 91760), (4960, 90724), (5735, 78464), (5920, 76012), (6130, 73408), (9176, 49040), (9808, 45880), (9920, 45362), (11470, 39232), (11840, 38006), (12260, 36704), (18352, 24520), (19003, 23680), (19616, 22940), (19840, 22681)]