138470800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:921

約数の個数: 120

約数和(自身を含む): 370254080

約数和(自身を除く): 231783280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 859, 1040, 1240, 1300, 1550, 1612, 1718, 2015, 2480, 2600, 3100, 3224, 3436, 4030, 4295, 5200, 6200, 6448, 6872, 8060, 8590, 10075, 11167, 12400, 13744, 16120, 17180, 20150, 21475, 22334, 26629, 32240, 34360, 40300, 42950, 44668, 53258, 55835, 68720, 80600, 85900, 89336, 106516, 111670, 133145, 161200, 171800, 178672, 213032, 223340, 266290, 279175, 343600, 346177, 426064, 446680, 532580, 558350, 665725, 692354, 893360, 1065160, 1116700, 1331450, 1384708, 1730885, 2130320, 2233400, 2662900, 2769416, 3461770, 4466800, 5325800, 5538832, 6923540, 8654425, 10651600, 13847080, 17308850, 27694160, 34617700, 69235400, 138470800]

約数ペア:

[(1, 138470800), (2, 69235400), (4, 34617700), (5, 27694160), (8, 17308850), (10, 13847080), (13, 10651600), (16, 8654425), (20, 6923540), (25, 5538832), (26, 5325800), (31, 4466800), (40, 3461770), (50, 2769416), (52, 2662900), (62, 2233400), (65, 2130320), (80, 1730885), (100, 1384708), (104, 1331450), (124, 1116700), (130, 1065160), (155, 893360), (200, 692354), (208, 665725), (248, 558350), (260, 532580), (310, 446680), (325, 426064), (400, 346177), (403, 343600), (496, 279175), (520, 266290), (620, 223340), (650, 213032), (775, 178672), (806, 171800), (859, 161200), (1040, 133145), (1240, 111670), (1300, 106516), (1550, 89336), (1612, 85900), (1718, 80600), (2015, 68720), (2480, 55835), (2600, 53258), (3100, 44668), (3224, 42950), (3436, 40300), (4030, 34360), (4295, 32240), (5200, 26629), (6200, 22334), (6448, 21475), (6872, 20150), (8060, 17180), (8590, 16120), (10075, 13744), (11167, 12400)]