7937860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 20018880

約数和(自身を除く): 12081020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 59, 62, 70, 118, 124, 140, 155, 217, 236, 295, 310, 413, 434, 590, 620, 826, 868, 961, 1085, 1180, 1652, 1829, 1922, 2065, 2170, 3658, 3844, 4130, 4340, 4805, 6727, 7316, 8260, 9145, 9610, 12803, 13454, 18290, 19220, 25606, 26908, 33635, 36580, 51212, 56699, 64015, 67270, 113398, 128030, 134540, 226796, 256060, 283495, 396893, 566990, 793786, 1133980, 1587572, 1984465, 3968930, 7937860]

約数ペア:

[(1, 7937860), (2, 3968930), (4, 1984465), (5, 1587572), (7, 1133980), (10, 793786), (14, 566990), (20, 396893), (28, 283495), (31, 256060), (35, 226796), (59, 134540), (62, 128030), (70, 113398), (118, 67270), (124, 64015), (140, 56699), (155, 51212), (217, 36580), (236, 33635), (295, 26908), (310, 25606), (413, 19220), (434, 18290), (590, 13454), (620, 12803), (826, 9610), (868, 9145), (961, 8260), (1085, 7316), (1180, 6727), (1652, 4805), (1829, 4340), (1922, 4130), (2065, 3844), (2170, 3658)]