31116250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 80

約数和(自身を含む): 66578688

約数和(自身を除く): 35462438

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 73, 110, 125, 146, 155, 250, 275, 310, 341, 365, 550, 625, 682, 730, 775, 803, 1250, 1375, 1550, 1606, 1705, 1825, 2263, 2750, 3410, 3650, 3875, 4015, 4526, 6875, 7750, 8030, 8525, 9125, 11315, 13750, 17050, 18250, 19375, 20075, 22630, 24893, 38750, 40150, 42625, 45625, 49786, 56575, 85250, 91250, 100375, 113150, 124465, 200750, 213125, 248930, 282875, 426250, 501875, 565750, 622325, 1003750, 1244650, 1414375, 2828750, 3111625, 6223250, 15558125, 31116250]

約数ペア:

[(1, 31116250), (2, 15558125), (5, 6223250), (10, 3111625), (11, 2828750), (22, 1414375), (25, 1244650), (31, 1003750), (50, 622325), (55, 565750), (62, 501875), (73, 426250), (110, 282875), (125, 248930), (146, 213125), (155, 200750), (250, 124465), (275, 113150), (310, 100375), (341, 91250), (365, 85250), (550, 56575), (625, 49786), (682, 45625), (730, 42625), (775, 40150), (803, 38750), (1250, 24893), (1375, 22630), (1550, 20075), (1606, 19375), (1705, 18250), (1825, 17050), (2263, 13750), (2750, 11315), (3410, 9125), (3650, 8525), (3875, 8030), (4015, 7750), (4526, 6875)]