498670120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 1249920000

約数和(自身を除く): 751249880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 79, 104, 122, 130, 158, 199, 244, 260, 305, 316, 395, 398, 488, 520, 610, 632, 790, 793, 796, 995, 1027, 1220, 1580, 1586, 1592, 1990, 2054, 2440, 2587, 3160, 3172, 3965, 3980, 4108, 4819, 5135, 5174, 6344, 7930, 7960, 8216, 9638, 10270, 10348, 12139, 12935, 15721, 15860, 19276, 20540, 20696, 24095, 24278, 25870, 31442, 31720, 38552, 41080, 48190, 48556, 51740, 60695, 62647, 62884, 78605, 96380, 97112, 103480, 121390, 125294, 125768, 157210, 157807, 192760, 204373, 242780, 250588, 313235, 314420, 315614, 408746, 485560, 501176, 626470, 628840, 631228, 789035, 817492, 958981, 1021865, 1252940, 1262456, 1578070, 1634984, 1917962, 2043730, 2505880, 3156140, 3835924, 4087460, 4794905, 6312280, 7671848, 8174920, 9589810, 12466753, 19179620, 24933506, 38359240, 49867012, 62333765, 99734024, 124667530, 249335060, 498670120]

約数ペア:

[(1, 498670120), (2, 249335060), (4, 124667530), (5, 99734024), (8, 62333765), (10, 49867012), (13, 38359240), (20, 24933506), (26, 19179620), (40, 12466753), (52, 9589810), (61, 8174920), (65, 7671848), (79, 6312280), (104, 4794905), (122, 4087460), (130, 3835924), (158, 3156140), (199, 2505880), (244, 2043730), (260, 1917962), (305, 1634984), (316, 1578070), (395, 1262456), (398, 1252940), (488, 1021865), (520, 958981), (610, 817492), (632, 789035), (790, 631228), (793, 628840), (796, 626470), (995, 501176), (1027, 485560), (1220, 408746), (1580, 315614), (1586, 314420), (1592, 313235), (1990, 250588), (2054, 242780), (2440, 204373), (2587, 192760), (3160, 157807), (3172, 157210), (3965, 125768), (3980, 125294), (4108, 121390), (4819, 103480), (5135, 97112), (5174, 96380), (6344, 78605), (7930, 62884), (7960, 62647), (8216, 60695), (9638, 51740), (10270, 48556), (10348, 48190), (12139, 41080), (12935, 38552), (15721, 31720), (15860, 31442), (19276, 25870), (20540, 24278), (20696, 24095)]