74186840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 208656000

約数和(自身を除く): 134469160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 89, 91, 104, 130, 140, 178, 182, 229, 260, 280, 356, 364, 445, 455, 458, 520, 623, 712, 728, 890, 910, 916, 1145, 1157, 1246, 1603, 1780, 1820, 1832, 2290, 2314, 2492, 2977, 3115, 3206, 3560, 3640, 4580, 4628, 4984, 5785, 5954, 6230, 6412, 8015, 8099, 9160, 9256, 11570, 11908, 12460, 12824, 14885, 16030, 16198, 20381, 20839, 23140, 23816, 24920, 29770, 32060, 32396, 40495, 40762, 41678, 46280, 59540, 64120, 64792, 80990, 81524, 83356, 101905, 104195, 119080, 142667, 161980, 163048, 166712, 203810, 208390, 264953, 285334, 323960, 407620, 416780, 529906, 570668, 713335, 815240, 833560, 1059812, 1141336, 1324765, 1426670, 1854671, 2119624, 2649530, 2853340, 3709342, 5299060, 5706680, 7418684, 9273355, 10598120, 14837368, 18546710, 37093420, 74186840]

約数ペア:

[(1, 74186840), (2, 37093420), (4, 18546710), (5, 14837368), (7, 10598120), (8, 9273355), (10, 7418684), (13, 5706680), (14, 5299060), (20, 3709342), (26, 2853340), (28, 2649530), (35, 2119624), (40, 1854671), (52, 1426670), (56, 1324765), (65, 1141336), (70, 1059812), (89, 833560), (91, 815240), (104, 713335), (130, 570668), (140, 529906), (178, 416780), (182, 407620), (229, 323960), (260, 285334), (280, 264953), (356, 208390), (364, 203810), (445, 166712), (455, 163048), (458, 161980), (520, 142667), (623, 119080), (712, 104195), (728, 101905), (890, 83356), (910, 81524), (916, 80990), (1145, 64792), (1157, 64120), (1246, 59540), (1603, 46280), (1780, 41678), (1820, 40762), (1832, 40495), (2290, 32396), (2314, 32060), (2492, 29770), (2977, 24920), (3115, 23816), (3206, 23140), (3560, 20839), (3640, 20381), (4580, 16198), (4628, 16030), (4984, 14885), (5785, 12824), (5954, 12460), (6230, 11908), (6412, 11570), (8015, 9256), (8099, 9160)]