488849920

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 160

約数和(自身を含む): 1299635568

約数和(自身を除く): 810785648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 256, 260, 296, 320, 370, 397, 416, 481, 512, 520, 592, 640, 740, 794, 832, 962, 1040, 1184, 1280, 1480, 1588, 1664, 1924, 1985, 2080, 2368, 2405, 2560, 2960, 3176, 3328, 3848, 3970, 4160, 4736, 4810, 5161, 5920, 6352, 6656, 7696, 7940, 8320, 9472, 9620, 10322, 11840, 12704, 14689, 15392, 15880, 16640, 18944, 19240, 20644, 23680, 25408, 25805, 29378, 30784, 31760, 33280, 38480, 41288, 47360, 50816, 51610, 58756, 61568, 63520, 73445, 76960, 82576, 94720, 101632, 103220, 117512, 123136, 127040, 146890, 153920, 165152, 190957, 203264, 206440, 235024, 246272, 254080, 293780, 307840, 330304, 381914, 412880, 470048, 508160, 587560, 615680, 660608, 763828, 825760, 940096, 954785, 1016320, 1175120, 1231360, 1321216, 1527656, 1651520, 1880192, 1909570, 2350240, 2642432, 3055312, 3303040, 3760384, 3819140, 4700480, 6110624, 6606080, 7520768, 7638280, 9400960, 12221248, 13212160, 15276560, 18801920, 24442496, 30553120, 37603840, 48884992, 61106240, 97769984, 122212480, 244424960, 488849920]

約数ペア:

[(1, 488849920), (2, 244424960), (4, 122212480), (5, 97769984), (8, 61106240), (10, 48884992), (13, 37603840), (16, 30553120), (20, 24442496), (26, 18801920), (32, 15276560), (37, 13212160), (40, 12221248), (52, 9400960), (64, 7638280), (65, 7520768), (74, 6606080), (80, 6110624), (104, 4700480), (128, 3819140), (130, 3760384), (148, 3303040), (160, 3055312), (185, 2642432), (208, 2350240), (256, 1909570), (260, 1880192), (296, 1651520), (320, 1527656), (370, 1321216), (397, 1231360), (416, 1175120), (481, 1016320), (512, 954785), (520, 940096), (592, 825760), (640, 763828), (740, 660608), (794, 615680), (832, 587560), (962, 508160), (1040, 470048), (1184, 412880), (1280, 381914), (1480, 330304), (1588, 307840), (1664, 293780), (1924, 254080), (1985, 246272), (2080, 235024), (2368, 206440), (2405, 203264), (2560, 190957), (2960, 165152), (3176, 153920), (3328, 146890), (3848, 127040), (3970, 123136), (4160, 117512), (4736, 103220), (4810, 101632), (5161, 94720), (5920, 82576), (6352, 76960), (6656, 73445), (7696, 63520), (7940, 61568), (8320, 58756), (9472, 51610), (9620, 50816), (10322, 47360), (11840, 41288), (12704, 38480), (14689, 33280), (15392, 31760), (15880, 30784), (16640, 29378), (18944, 25805), (19240, 25408), (20644, 23680)]