141988280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 380160000

約数和(自身を除く): 238171720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 131, 140, 158, 196, 245, 262, 280, 316, 343, 392, 395, 490, 524, 553, 632, 655, 686, 790, 917, 980, 1048, 1106, 1310, 1372, 1580, 1715, 1834, 1960, 2212, 2620, 2744, 2765, 3160, 3430, 3668, 3871, 4424, 4585, 5240, 5530, 6419, 6860, 7336, 7742, 9170, 10349, 11060, 12838, 13720, 15484, 18340, 19355, 20698, 22120, 25676, 27097, 30968, 32095, 36680, 38710, 41396, 44933, 51352, 51745, 54194, 64190, 72443, 77420, 82792, 89866, 103490, 108388, 128380, 135485, 144886, 154840, 179732, 206980, 216776, 224665, 256760, 270970, 289772, 359464, 362215, 413960, 449330, 507101, 541940, 579544, 724430, 898660, 1014202, 1083880, 1448860, 1797320, 2028404, 2535505, 2897720, 3549707, 4056808, 5071010, 7099414, 10142020, 14198828, 17748535, 20284040, 28397656, 35497070, 70994140, 141988280]

約数ペア:

[(1, 141988280), (2, 70994140), (4, 35497070), (5, 28397656), (7, 20284040), (8, 17748535), (10, 14198828), (14, 10142020), (20, 7099414), (28, 5071010), (35, 4056808), (40, 3549707), (49, 2897720), (56, 2535505), (70, 2028404), (79, 1797320), (98, 1448860), (131, 1083880), (140, 1014202), (158, 898660), (196, 724430), (245, 579544), (262, 541940), (280, 507101), (316, 449330), (343, 413960), (392, 362215), (395, 359464), (490, 289772), (524, 270970), (553, 256760), (632, 224665), (655, 216776), (686, 206980), (790, 179732), (917, 154840), (980, 144886), (1048, 135485), (1106, 128380), (1310, 108388), (1372, 103490), (1580, 89866), (1715, 82792), (1834, 77420), (1960, 72443), (2212, 64190), (2620, 54194), (2744, 51745), (2765, 51352), (3160, 44933), (3430, 41396), (3668, 38710), (3871, 36680), (4424, 32095), (4585, 30968), (5240, 27097), (5530, 25676), (6419, 22120), (6860, 20698), (7336, 19355), (7742, 18340), (9170, 15484), (10349, 13720), (11060, 12838)]