171312820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5639}}^1$

素因数の和:5693

約数の個数: 72

約数和(自身を含む): 432069120

約数和(自身を除く): 260756300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 5639, 6076, 7595, 11278, 15190, 22556, 28195, 30380, 39473, 56390, 78946, 112780, 157892, 174809, 197365, 276311, 349618, 394730, 552622, 699236, 789460, 874045, 1105244, 1223663, 1381555, 1748090, 2447326, 2763110, 3496180, 4894652, 5526220, 6118315, 8565641, 12236630, 17131282, 24473260, 34262564, 42828205, 85656410, 171312820]

約数ペア:

[(1, 171312820), (2, 85656410), (4, 42828205), (5, 34262564), (7, 24473260), (10, 17131282), (14, 12236630), (20, 8565641), (28, 6118315), (31, 5526220), (35, 4894652), (49, 3496180), (62, 2763110), (70, 2447326), (98, 1748090), (124, 1381555), (140, 1223663), (155, 1105244), (196, 874045), (217, 789460), (245, 699236), (310, 552622), (434, 394730), (490, 349618), (620, 276311), (868, 197365), (980, 174809), (1085, 157892), (1519, 112780), (2170, 78946), (3038, 56390), (4340, 39473), (5639, 30380), (6076, 28195), (7595, 22556), (11278, 15190)]