4939240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 11995200

約数和(自身を除く): 7055960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 97, 134, 152, 190, 194, 268, 335, 380, 388, 485, 536, 670, 760, 776, 970, 1273, 1340, 1843, 1940, 2546, 2680, 3686, 3880, 5092, 6365, 6499, 7372, 9215, 10184, 12730, 12998, 14744, 18430, 25460, 25996, 32495, 36860, 50920, 51992, 64990, 73720, 123481, 129980, 246962, 259960, 493924, 617405, 987848, 1234810, 2469620, 4939240]

約数ペア:

[(1, 4939240), (2, 2469620), (4, 1234810), (5, 987848), (8, 617405), (10, 493924), (19, 259960), (20, 246962), (38, 129980), (40, 123481), (67, 73720), (76, 64990), (95, 51992), (97, 50920), (134, 36860), (152, 32495), (190, 25996), (194, 25460), (268, 18430), (335, 14744), (380, 12998), (388, 12730), (485, 10184), (536, 9215), (670, 7372), (760, 6499), (776, 6365), (970, 5092), (1273, 3880), (1340, 3686), (1843, 2680), (1940, 2546)]