789880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:69

約数の個数: 96

約数和(自身を含む): 2298240

約数和(自身を除く): 1508360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 91, 98, 104, 124, 130, 140, 155, 182, 196, 217, 245, 248, 260, 280, 310, 364, 392, 403, 434, 455, 490, 520, 620, 637, 728, 806, 868, 910, 980, 1085, 1240, 1274, 1519, 1612, 1736, 1820, 1960, 2015, 2170, 2548, 2821, 3038, 3185, 3224, 3640, 4030, 4340, 5096, 5642, 6076, 6370, 7595, 8060, 8680, 11284, 12152, 12740, 14105, 15190, 16120, 19747, 22568, 25480, 28210, 30380, 39494, 56420, 60760, 78988, 98735, 112840, 157976, 197470, 394940, 789880]

約数ペア:

[(1, 789880), (2, 394940), (4, 197470), (5, 157976), (7, 112840), (8, 98735), (10, 78988), (13, 60760), (14, 56420), (20, 39494), (26, 30380), (28, 28210), (31, 25480), (35, 22568), (40, 19747), (49, 16120), (52, 15190), (56, 14105), (62, 12740), (65, 12152), (70, 11284), (91, 8680), (98, 8060), (104, 7595), (124, 6370), (130, 6076), (140, 5642), (155, 5096), (182, 4340), (196, 4030), (217, 3640), (245, 3224), (248, 3185), (260, 3038), (280, 2821), (310, 2548), (364, 2170), (392, 2015), (403, 1960), (434, 1820), (455, 1736), (490, 1612), (520, 1519), (620, 1274), (637, 1240), (728, 1085), (806, 980), (868, 910)]