189714840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3181}}^1$

素因数の和:3273

約数の個数: 128

約数和(自身を含む): 659819520

約数和(自身を除く): 470104680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3181, 3976, 4260, 4970, 5964, 6362, 7455, 8520, 9543, 9940, 11928, 12724, 14910, 15905, 19086, 19880, 22267, 25448, 29820, 31810, 38172, 44534, 47715, 59640, 63620, 66801, 76344, 89068, 95430, 111335, 127240, 133602, 178136, 190860, 222670, 225851, 267204, 334005, 381720, 445340, 451702, 534408, 668010, 677553, 890680, 903404, 1129255, 1336020, 1355106, 1580957, 1806808, 2258510, 2672040, 2710212, 3161914, 3387765, 4517020, 4742871, 5420424, 6323828, 6775530, 7904785, 9034040, 9485742, 12647656, 13551060, 15809570, 18971484, 23714355, 27102120, 31619140, 37942968, 47428710, 63238280, 94857420, 189714840]

約数ペア:

[(1, 189714840), (2, 94857420), (3, 63238280), (4, 47428710), (5, 37942968), (6, 31619140), (7, 27102120), (8, 23714355), (10, 18971484), (12, 15809570), (14, 13551060), (15, 12647656), (20, 9485742), (21, 9034040), (24, 7904785), (28, 6775530), (30, 6323828), (35, 5420424), (40, 4742871), (42, 4517020), (56, 3387765), (60, 3161914), (70, 2710212), (71, 2672040), (84, 2258510), (105, 1806808), (120, 1580957), (140, 1355106), (142, 1336020), (168, 1129255), (210, 903404), (213, 890680), (280, 677553), (284, 668010), (355, 534408), (420, 451702), (426, 445340), (497, 381720), (568, 334005), (710, 267204), (840, 225851), (852, 222670), (994, 190860), (1065, 178136), (1420, 133602), (1491, 127240), (1704, 111335), (1988, 95430), (2130, 89068), (2485, 76344), (2840, 66801), (2982, 63620), (3181, 59640), (3976, 47715), (4260, 44534), (4970, 38172), (5964, 31810), (6362, 29820), (7455, 25448), (8520, 22267), (9543, 19880), (9940, 19086), (11928, 15905), (12724, 14910)]