259047320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 691200000

約数和(自身を除く): 432152680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 158, 196, 239, 245, 280, 316, 343, 392, 395, 478, 490, 553, 632, 686, 790, 956, 980, 1106, 1195, 1372, 1580, 1673, 1715, 1912, 1960, 2212, 2390, 2744, 2765, 3160, 3346, 3430, 3871, 4424, 4780, 5530, 6692, 6860, 7742, 8365, 9560, 11060, 11711, 13384, 13720, 15484, 16730, 18881, 19355, 22120, 23422, 27097, 30968, 33460, 37762, 38710, 46844, 54194, 58555, 66920, 75524, 77420, 81977, 93688, 94405, 108388, 117110, 132167, 135485, 151048, 154840, 163954, 188810, 216776, 234220, 264334, 270970, 327908, 377620, 409885, 468440, 528668, 541940, 655816, 660835, 755240, 819770, 925169, 1057336, 1083880, 1321670, 1639540, 1850338, 2643340, 3279080, 3700676, 4625845, 5286680, 6476183, 7401352, 9251690, 12952366, 18503380, 25904732, 32380915, 37006760, 51809464, 64761830, 129523660, 259047320]

約数ペア:

[(1, 259047320), (2, 129523660), (4, 64761830), (5, 51809464), (7, 37006760), (8, 32380915), (10, 25904732), (14, 18503380), (20, 12952366), (28, 9251690), (35, 7401352), (40, 6476183), (49, 5286680), (56, 4625845), (70, 3700676), (79, 3279080), (98, 2643340), (140, 1850338), (158, 1639540), (196, 1321670), (239, 1083880), (245, 1057336), (280, 925169), (316, 819770), (343, 755240), (392, 660835), (395, 655816), (478, 541940), (490, 528668), (553, 468440), (632, 409885), (686, 377620), (790, 327908), (956, 270970), (980, 264334), (1106, 234220), (1195, 216776), (1372, 188810), (1580, 163954), (1673, 154840), (1715, 151048), (1912, 135485), (1960, 132167), (2212, 117110), (2390, 108388), (2744, 94405), (2765, 93688), (3160, 81977), (3346, 77420), (3430, 75524), (3871, 66920), (4424, 58555), (4780, 54194), (5530, 46844), (6692, 38710), (6860, 37762), (7742, 33460), (8365, 30968), (9560, 27097), (11060, 23422), (11711, 22120), (13384, 19355), (13720, 18881), (15484, 16730)]