722319220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1117}}^1$

素因数の和:1313

約数の個数: 96

約数和(自身を含む): 1803110400

約数和(自身を除く): 1080791180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 149, 155, 217, 298, 310, 434, 596, 620, 745, 868, 1043, 1085, 1117, 1490, 2086, 2170, 2234, 2980, 4172, 4340, 4468, 4619, 5215, 5585, 7819, 9238, 10430, 11170, 15638, 18476, 20860, 22340, 23095, 31276, 32333, 34627, 39095, 46190, 64666, 69254, 78190, 92380, 129332, 138508, 156380, 161665, 166433, 173135, 242389, 323330, 332866, 346270, 484778, 646660, 665732, 692540, 832165, 969556, 1165031, 1211945, 1664330, 2330062, 2423890, 3328660, 4660124, 4847780, 5159423, 5825155, 10318846, 11650310, 20637692, 23300620, 25797115, 36115961, 51594230, 72231922, 103188460, 144463844, 180579805, 361159610, 722319220]

約数ペア:

[(1, 722319220), (2, 361159610), (4, 180579805), (5, 144463844), (7, 103188460), (10, 72231922), (14, 51594230), (20, 36115961), (28, 25797115), (31, 23300620), (35, 20637692), (62, 11650310), (70, 10318846), (124, 5825155), (140, 5159423), (149, 4847780), (155, 4660124), (217, 3328660), (298, 2423890), (310, 2330062), (434, 1664330), (596, 1211945), (620, 1165031), (745, 969556), (868, 832165), (1043, 692540), (1085, 665732), (1117, 646660), (1490, 484778), (2086, 346270), (2170, 332866), (2234, 323330), (2980, 242389), (4172, 173135), (4340, 166433), (4468, 161665), (4619, 156380), (5215, 138508), (5585, 129332), (7819, 92380), (9238, 78190), (10430, 69254), (11170, 64666), (15638, 46190), (18476, 39095), (20860, 34627), (22340, 32333), (23095, 31276)]