31117450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1016

約数の個数: 72

約数和(自身を含む): 72581292

約数和(自身を除く): 41463842

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 910, 977, 1225, 1274, 1954, 2275, 2450, 3185, 4550, 4885, 6370, 6839, 9770, 12701, 13678, 15925, 24425, 25402, 31850, 34195, 47873, 48850, 63505, 68390, 88907, 95746, 127010, 170975, 177814, 239365, 317525, 341950, 444535, 478730, 622349, 635050, 889070, 1196825, 1244698, 2222675, 2393650, 3111745, 4445350, 6223490, 15558725, 31117450]

約数ペア:

[(1, 31117450), (2, 15558725), (5, 6223490), (7, 4445350), (10, 3111745), (13, 2393650), (14, 2222675), (25, 1244698), (26, 1196825), (35, 889070), (49, 635050), (50, 622349), (65, 478730), (70, 444535), (91, 341950), (98, 317525), (130, 239365), (175, 177814), (182, 170975), (245, 127010), (325, 95746), (350, 88907), (455, 68390), (490, 63505), (637, 48850), (650, 47873), (910, 34195), (977, 31850), (1225, 25402), (1274, 24425), (1954, 15925), (2275, 13678), (2450, 12701), (3185, 9770), (4550, 6839), (4885, 6370)]