1900580240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:577

約数の個数: 160

約数和(自身を含む): 4955682816

約数和(自身を除く): 3055102576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 167, 208, 248, 260, 310, 334, 353, 403, 496, 520, 620, 668, 706, 806, 835, 1040, 1240, 1336, 1412, 1612, 1670, 1765, 2015, 2171, 2480, 2672, 2824, 3224, 3340, 3530, 4030, 4342, 4589, 5177, 5648, 6448, 6680, 7060, 8060, 8684, 9178, 10354, 10855, 10943, 13360, 14120, 16120, 17368, 18356, 20708, 21710, 21886, 22945, 25885, 28240, 32240, 34736, 36712, 41416, 43420, 43772, 45890, 51770, 54715, 58951, 67301, 73424, 82832, 86840, 87544, 91780, 103540, 109430, 117902, 134602, 142259, 173680, 175088, 183560, 207080, 218860, 235804, 269204, 284518, 294755, 336505, 367120, 414160, 437720, 471608, 538408, 569036, 589510, 673010, 711295, 766363, 875440, 943216, 1076816, 1138072, 1179020, 1346020, 1422590, 1532726, 1827481, 2276144, 2358040, 2692040, 2845180, 3065452, 3654962, 3831815, 4716080, 5384080, 5690360, 6130904, 7309924, 7663630, 9137405, 11380720, 12261808, 14619848, 15327260, 18274810, 23757253, 29239696, 30654520, 36549620, 47514506, 61309040, 73099240, 95029012, 118786265, 146198480, 190058024, 237572530, 380116048, 475145060, 950290120, 1900580240]

約数ペア:

[(1, 1900580240), (2, 950290120), (4, 475145060), (5, 380116048), (8, 237572530), (10, 190058024), (13, 146198480), (16, 118786265), (20, 95029012), (26, 73099240), (31, 61309040), (40, 47514506), (52, 36549620), (62, 30654520), (65, 29239696), (80, 23757253), (104, 18274810), (124, 15327260), (130, 14619848), (155, 12261808), (167, 11380720), (208, 9137405), (248, 7663630), (260, 7309924), (310, 6130904), (334, 5690360), (353, 5384080), (403, 4716080), (496, 3831815), (520, 3654962), (620, 3065452), (668, 2845180), (706, 2692040), (806, 2358040), (835, 2276144), (1040, 1827481), (1240, 1532726), (1336, 1422590), (1412, 1346020), (1612, 1179020), (1670, 1138072), (1765, 1076816), (2015, 943216), (2171, 875440), (2480, 766363), (2672, 711295), (2824, 673010), (3224, 589510), (3340, 569036), (3530, 538408), (4030, 471608), (4342, 437720), (4589, 414160), (5177, 367120), (5648, 336505), (6448, 294755), (6680, 284518), (7060, 269204), (8060, 235804), (8684, 218860), (9178, 207080), (10354, 183560), (10855, 175088), (10943, 173680), (13360, 142259), (14120, 134602), (16120, 117902), (17368, 109430), (18356, 103540), (20708, 91780), (21710, 87544), (21886, 86840), (22945, 82832), (25885, 73424), (28240, 67301), (32240, 58951), (34736, 54715), (36712, 51770), (41416, 45890), (43420, 43772)]