254206820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{58573}}^1$

素因数の和:58620

約数の個数: 48

約数和(自身を含む): 629787648

約数和(自身を除く): 375580828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 58573, 117146, 234292, 292865, 410011, 585730, 820022, 1171460, 1640044, 1815763, 2050055, 3631526, 4100110, 7263052, 8200220, 9078815, 12710341, 18157630, 25420682, 36315260, 50841364, 63551705, 127103410, 254206820]

約数ペア:

[(1, 254206820), (2, 127103410), (4, 63551705), (5, 50841364), (7, 36315260), (10, 25420682), (14, 18157630), (20, 12710341), (28, 9078815), (31, 8200220), (35, 7263052), (62, 4100110), (70, 3631526), (124, 2050055), (140, 1815763), (155, 1640044), (217, 1171460), (310, 820022), (434, 585730), (620, 410011), (868, 292865), (1085, 234292), (2170, 117146), (4340, 58573)]