577220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 72

約数和(自身を含む): 1532160

約数和(自身を除く): 954940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 155, 190, 196, 217, 245, 266, 310, 380, 434, 490, 532, 589, 620, 665, 868, 931, 980, 1085, 1178, 1330, 1519, 1862, 2170, 2356, 2660, 2945, 3038, 3724, 4123, 4340, 4655, 5890, 6076, 7595, 8246, 9310, 11780, 15190, 16492, 18620, 20615, 28861, 30380, 41230, 57722, 82460, 115444, 144305, 288610, 577220]

約数ペア:

[(1, 577220), (2, 288610), (4, 144305), (5, 115444), (7, 82460), (10, 57722), (14, 41230), (19, 30380), (20, 28861), (28, 20615), (31, 18620), (35, 16492), (38, 15190), (49, 11780), (62, 9310), (70, 8246), (76, 7595), (95, 6076), (98, 5890), (124, 4655), (133, 4340), (140, 4123), (155, 3724), (190, 3038), (196, 2945), (217, 2660), (245, 2356), (266, 2170), (310, 1862), (380, 1519), (434, 1330), (490, 1178), (532, 1085), (589, 980), (620, 931), (665, 868)]