85630460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 184615200

約数和(自身を除く): 98984740

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 146, 178, 292, 356, 365, 445, 659, 730, 890, 1318, 1460, 1780, 2636, 3295, 6497, 6590, 12994, 13180, 25988, 32485, 48107, 58651, 64970, 96214, 117302, 129940, 192428, 234604, 240535, 293255, 481070, 586510, 962140, 1173020, 4281523, 8563046, 17126092, 21407615, 42815230, 85630460]

約数ペア:

[(1, 85630460), (2, 42815230), (4, 21407615), (5, 17126092), (10, 8563046), (20, 4281523), (73, 1173020), (89, 962140), (146, 586510), (178, 481070), (292, 293255), (356, 240535), (365, 234604), (445, 192428), (659, 129940), (730, 117302), (890, 96214), (1318, 64970), (1460, 58651), (1780, 48107), (2636, 32485), (3295, 25988), (6497, 13180), (6590, 12994)]