85641220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2873

約数の個数: 72

約数和(自身を含む): 216034560

約数和(自身を除く): 130393340

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, 2819, 3038, 4340, 5638, 6076, 7595, 11276, 14095, 15190, 19733, 28190, 30380, 39466, 56380, 78932, 87389, 98665, 138131, 174778, 197330, 276262, 349556, 394660, 436945, 552524, 611723, 690655, 873890, 1223446, 1381310, 1747780, 2446892, 2762620, 3058615, 4282061, 6117230, 8564122, 12234460, 17128244, 21410305, 42820610, 85641220]

約数ペア:

[(1, 85641220), (2, 42820610), (4, 21410305), (5, 17128244), (7, 12234460), (10, 8564122), (14, 6117230), (20, 4282061), (28, 3058615), (31, 2762620), (35, 2446892), (49, 1747780), (62, 1381310), (70, 1223446), (98, 873890), (124, 690655), (140, 611723), (155, 552524), (196, 436945), (217, 394660), (245, 349556), (310, 276262), (434, 197330), (490, 174778), (620, 138131), (868, 98665), (980, 87389), (1085, 78932), (1519, 56380), (2170, 39466), (2819, 30380), (3038, 28190), (4340, 19733), (5638, 15190), (6076, 14095), (7595, 11276)]