210516040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 567705600

約数和(自身を除く): 357189560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 79, 124, 140, 155, 158, 217, 248, 280, 307, 310, 316, 395, 434, 553, 614, 620, 632, 790, 868, 1085, 1106, 1228, 1240, 1535, 1580, 1736, 2149, 2170, 2212, 2449, 2456, 2765, 3070, 3160, 4298, 4340, 4424, 4898, 5530, 6140, 8596, 8680, 9517, 9796, 10745, 11060, 12245, 12280, 17143, 17192, 19034, 19592, 21490, 22120, 24253, 24490, 34286, 38068, 42980, 47585, 48506, 48980, 66619, 68572, 76136, 85715, 85960, 95170, 97012, 97960, 121265, 133238, 137144, 169771, 171430, 190340, 194024, 242530, 266476, 333095, 339542, 342860, 380680, 485060, 532952, 666190, 679084, 685720, 751843, 848855, 970120, 1332380, 1358168, 1503686, 1697710, 2664760, 3007372, 3395420, 3759215, 5262901, 6014744, 6790840, 7518430, 10525802, 15036860, 21051604, 26314505, 30073720, 42103208, 52629010, 105258020, 210516040]

約数ペア:

[(1, 210516040), (2, 105258020), (4, 52629010), (5, 42103208), (7, 30073720), (8, 26314505), (10, 21051604), (14, 15036860), (20, 10525802), (28, 7518430), (31, 6790840), (35, 6014744), (40, 5262901), (56, 3759215), (62, 3395420), (70, 3007372), (79, 2664760), (124, 1697710), (140, 1503686), (155, 1358168), (158, 1332380), (217, 970120), (248, 848855), (280, 751843), (307, 685720), (310, 679084), (316, 666190), (395, 532952), (434, 485060), (553, 380680), (614, 342860), (620, 339542), (632, 333095), (790, 266476), (868, 242530), (1085, 194024), (1106, 190340), (1228, 171430), (1240, 169771), (1535, 137144), (1580, 133238), (1736, 121265), (2149, 97960), (2170, 97012), (2212, 95170), (2449, 85960), (2456, 85715), (2765, 76136), (3070, 68572), (3160, 66619), (4298, 48980), (4340, 48506), (4424, 47585), (4898, 42980), (5530, 38068), (6140, 34286), (8596, 24490), (8680, 24253), (9517, 22120), (9796, 21490), (10745, 19592), (11060, 19034), (12245, 17192), (12280, 17143)]