2801360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:148

約数の個数: 60

約数和(自身を含む): 6944868

約数和(自身を除く): 4143508

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 361, 380, 388, 485, 722, 760, 776, 970, 1444, 1520, 1552, 1805, 1843, 1940, 2888, 3610, 3686, 3880, 5776, 7220, 7372, 7760, 9215, 14440, 14744, 18430, 28880, 29488, 35017, 36860, 70034, 73720, 140068, 147440, 175085, 280136, 350170, 560272, 700340, 1400680, 2801360]

約数ペア:

[(1, 2801360), (2, 1400680), (4, 700340), (5, 560272), (8, 350170), (10, 280136), (16, 175085), (19, 147440), (20, 140068), (38, 73720), (40, 70034), (76, 36860), (80, 35017), (95, 29488), (97, 28880), (152, 18430), (190, 14744), (194, 14440), (304, 9215), (361, 7760), (380, 7372), (388, 7220), (485, 5776), (722, 3880), (760, 3686), (776, 3610), (970, 2888), (1444, 1940), (1520, 1843), (1552, 1805)]