31292380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 78599808

約数和(自身を除く): 47307428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 863, 980, 1036, 1295, 1726, 1813, 2590, 3452, 3626, 4315, 5180, 6041, 7252, 8630, 9065, 12082, 17260, 18130, 24164, 30205, 31931, 36260, 42287, 60410, 63862, 84574, 120820, 127724, 159655, 169148, 211435, 223517, 319310, 422870, 447034, 638620, 845740, 894068, 1117585, 1564619, 2235170, 3129238, 4470340, 6258476, 7823095, 15646190, 31292380]

約数ペア:

[(1, 31292380), (2, 15646190), (4, 7823095), (5, 6258476), (7, 4470340), (10, 3129238), (14, 2235170), (20, 1564619), (28, 1117585), (35, 894068), (37, 845740), (49, 638620), (70, 447034), (74, 422870), (98, 319310), (140, 223517), (148, 211435), (185, 169148), (196, 159655), (245, 127724), (259, 120820), (370, 84574), (490, 63862), (518, 60410), (740, 42287), (863, 36260), (980, 31931), (1036, 30205), (1295, 24164), (1726, 18130), (1813, 17260), (2590, 12082), (3452, 9065), (3626, 8630), (4315, 7252), (5180, 6041)]