399045640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1483}}^1$

素因数の和:1563

約数の個数: 96

約数和(自身を含む): 1061000640

約数和(自身を除く): 661955000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 961, 1085, 1240, 1483, 1736, 1922, 2170, 2966, 3844, 4340, 4805, 5932, 6727, 7415, 7688, 8680, 9610, 10381, 11864, 13454, 14830, 19220, 20762, 26908, 29660, 33635, 38440, 41524, 45973, 51905, 53816, 59320, 67270, 83048, 91946, 103810, 134540, 183892, 207620, 229865, 269080, 321811, 367784, 415240, 459730, 643622, 919460, 1287244, 1425163, 1609055, 1838920, 2574488, 2850326, 3218110, 5700652, 6436220, 7125815, 9976141, 11401304, 12872440, 14251630, 19952282, 28503260, 39904564, 49880705, 57006520, 79809128, 99761410, 199522820, 399045640]

約数ペア:

[(1, 399045640), (2, 199522820), (4, 99761410), (5, 79809128), (7, 57006520), (8, 49880705), (10, 39904564), (14, 28503260), (20, 19952282), (28, 14251630), (31, 12872440), (35, 11401304), (40, 9976141), (56, 7125815), (62, 6436220), (70, 5700652), (124, 3218110), (140, 2850326), (155, 2574488), (217, 1838920), (248, 1609055), (280, 1425163), (310, 1287244), (434, 919460), (620, 643622), (868, 459730), (961, 415240), (1085, 367784), (1240, 321811), (1483, 269080), (1736, 229865), (1922, 207620), (2170, 183892), (2966, 134540), (3844, 103810), (4340, 91946), (4805, 83048), (5932, 67270), (6727, 59320), (7415, 53816), (7688, 51905), (8680, 45973), (9610, 41524), (10381, 38440), (11864, 33635), (13454, 29660), (14830, 26908), (19220, 20762)]