31436020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 83462400

約数和(自身を除く): 52026380

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 137, 140, 149, 154, 220, 274, 298, 308, 385, 548, 596, 685, 745, 770, 959, 1043, 1370, 1490, 1507, 1540, 1639, 1918, 2086, 2740, 2980, 3014, 3278, 3836, 4172, 4795, 5215, 6028, 6556, 7535, 8195, 9590, 10430, 10549, 11473, 15070, 16390, 19180, 20413, 20860, 21098, 22946, 30140, 32780, 40826, 42196, 45892, 52745, 57365, 81652, 102065, 105490, 114730, 142891, 204130, 210980, 224543, 229460, 285782, 408260, 449086, 571564, 714455, 898172, 1122715, 1428910, 1571801, 2245430, 2857820, 3143602, 4490860, 6287204, 7859005, 15718010, 31436020]

約数ペア:

[(1, 31436020), (2, 15718010), (4, 7859005), (5, 6287204), (7, 4490860), (10, 3143602), (11, 2857820), (14, 2245430), (20, 1571801), (22, 1428910), (28, 1122715), (35, 898172), (44, 714455), (55, 571564), (70, 449086), (77, 408260), (110, 285782), (137, 229460), (140, 224543), (149, 210980), (154, 204130), (220, 142891), (274, 114730), (298, 105490), (308, 102065), (385, 81652), (548, 57365), (596, 52745), (685, 45892), (745, 42196), (770, 40826), (959, 32780), (1043, 30140), (1370, 22946), (1490, 21098), (1507, 20860), (1540, 20413), (1639, 19180), (1918, 16390), (2086, 15070), (2740, 11473), (2980, 10549), (3014, 10430), (3278, 9590), (3836, 8195), (4172, 7535), (4795, 6556), (5215, 6028)]