208437180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2287}}^1$

素因数の和:2344

約数の個数: 144

約数和(自身を含む): 701116416

約数和(自身を除く): 492679236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2287, 2604, 2940, 3038, 3255, 4340, 4557, 4574, 6076, 6510, 6861, 7595, 9114, 9148, 11435, 13020, 13722, 15190, 16009, 18228, 22785, 22870, 27444, 30380, 32018, 34305, 45570, 45740, 48027, 64036, 68610, 70897, 80045, 91140, 96054, 112063, 137220, 141794, 160090, 192108, 212691, 224126, 240135, 283588, 320180, 336189, 354485, 425382, 448252, 480270, 496279, 560315, 672378, 708970, 850764, 960540, 992558, 1063455, 1120630, 1344756, 1417940, 1488837, 1680945, 1985116, 2126910, 2241260, 2481395, 2977674, 3361890, 3473953, 4253820, 4962790, 5955348, 6723780, 6947906, 7444185, 9925580, 10421859, 13895812, 14888370, 17369765, 20843718, 29776740, 34739530, 41687436, 52109295, 69479060, 104218590, 208437180]

約数ペア:

[(1, 208437180), (2, 104218590), (3, 69479060), (4, 52109295), (5, 41687436), (6, 34739530), (7, 29776740), (10, 20843718), (12, 17369765), (14, 14888370), (15, 13895812), (20, 10421859), (21, 9925580), (28, 7444185), (30, 6947906), (31, 6723780), (35, 5955348), (42, 4962790), (49, 4253820), (60, 3473953), (62, 3361890), (70, 2977674), (84, 2481395), (93, 2241260), (98, 2126910), (105, 1985116), (124, 1680945), (140, 1488837), (147, 1417940), (155, 1344756), (186, 1120630), (196, 1063455), (210, 992558), (217, 960540), (245, 850764), (294, 708970), (310, 672378), (372, 560315), (420, 496279), (434, 480270), (465, 448252), (490, 425382), (588, 354485), (620, 336189), (651, 320180), (735, 283588), (868, 240135), (930, 224126), (980, 212691), (1085, 192108), (1302, 160090), (1470, 141794), (1519, 137220), (1860, 112063), (2170, 96054), (2287, 91140), (2604, 80045), (2940, 70897), (3038, 68610), (3255, 64036), (4340, 48027), (4557, 45740), (4574, 45570), (6076, 34305), (6510, 32018), (6861, 30380), (7595, 27444), (9114, 22870), (9148, 22785), (11435, 18228), (13020, 16009), (13722, 15190)]