4791980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 10644480

約数和(自身を除く): 5852500

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 131, 155, 236, 262, 295, 310, 524, 590, 620, 655, 1180, 1310, 1829, 2620, 3658, 4061, 7316, 7729, 8122, 9145, 15458, 16244, 18290, 20305, 30916, 36580, 38645, 40610, 77290, 81220, 154580, 239599, 479198, 958396, 1197995, 2395990, 4791980]

約数ペア:

[(1, 4791980), (2, 2395990), (4, 1197995), (5, 958396), (10, 479198), (20, 239599), (31, 154580), (59, 81220), (62, 77290), (118, 40610), (124, 38645), (131, 36580), (155, 30916), (236, 20305), (262, 18290), (295, 16244), (310, 15458), (524, 9145), (590, 8122), (620, 7729), (655, 7316), (1180, 4061), (1310, 3658), (1829, 2620)]