31590860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 81285120

約数和(自身を除く): 49694260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 31, 35, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 251, 290, 310, 406, 434, 502, 580, 620, 812, 868, 899, 1004, 1015, 1085, 1255, 1757, 1798, 2030, 2170, 2510, 3514, 3596, 4060, 4340, 4495, 5020, 6293, 7028, 7279, 7781, 8785, 8990, 12586, 14558, 15562, 17570, 17980, 25172, 29116, 31124, 31465, 35140, 36395, 38905, 50953, 54467, 62930, 72790, 77810, 101906, 108934, 125860, 145580, 155620, 203812, 217868, 225649, 254765, 272335, 451298, 509530, 544670, 902596, 1019060, 1089340, 1128245, 1579543, 2256490, 3159086, 4512980, 6318172, 7897715, 15795430, 31590860]

約数ペア:

[(1, 31590860), (2, 15795430), (4, 7897715), (5, 6318172), (7, 4512980), (10, 3159086), (14, 2256490), (20, 1579543), (28, 1128245), (29, 1089340), (31, 1019060), (35, 902596), (58, 544670), (62, 509530), (70, 451298), (116, 272335), (124, 254765), (140, 225649), (145, 217868), (155, 203812), (203, 155620), (217, 145580), (251, 125860), (290, 108934), (310, 101906), (406, 77810), (434, 72790), (502, 62930), (580, 54467), (620, 50953), (812, 38905), (868, 36395), (899, 35140), (1004, 31465), (1015, 31124), (1085, 29116), (1255, 25172), (1757, 17980), (1798, 17570), (2030, 15562), (2170, 14558), (2510, 12586), (3514, 8990), (3596, 8785), (4060, 7781), (4340, 7279), (4495, 7028), (5020, 6293)]