28587580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 72164736

約数和(自身を除く): 43577156

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, 941, 980, 1085, 1519, 1882, 2170, 3038, 3764, 4340, 4705, 6076, 6587, 7595, 9410, 13174, 15190, 18820, 26348, 29171, 30380, 32935, 46109, 58342, 65870, 92218, 116684, 131740, 145855, 184436, 204197, 230545, 291710, 408394, 461090, 583420, 816788, 922180, 1020985, 1429379, 2041970, 2858758, 4083940, 5717516, 7146895, 14293790, 28587580]

約数ペア:

[(1, 28587580), (2, 14293790), (4, 7146895), (5, 5717516), (7, 4083940), (10, 2858758), (14, 2041970), (20, 1429379), (28, 1020985), (31, 922180), (35, 816788), (49, 583420), (62, 461090), (70, 408394), (98, 291710), (124, 230545), (140, 204197), (155, 184436), (196, 145855), (217, 131740), (245, 116684), (310, 92218), (434, 65870), (490, 58342), (620, 46109), (868, 32935), (941, 30380), (980, 29171), (1085, 26348), (1519, 18820), (1882, 15190), (2170, 13174), (3038, 9410), (3764, 7595), (4340, 6587), (4705, 6076)]