71648750

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:139

約数の個数: 60

約数和(自身を含む): 141929568

約数和(自身を除く): 70280818

約数列:

[1, 2, 5, 10, 25, 31, 43, 50, 62, 86, 125, 155, 215, 250, 310, 430, 625, 775, 1075, 1250, 1333, 1550, 1849, 2150, 2666, 3698, 3875, 5375, 6665, 7750, 9245, 10750, 13330, 18490, 19375, 26875, 33325, 38750, 46225, 53750, 57319, 66650, 92450, 114638, 166625, 231125, 286595, 333250, 462250, 573190, 833125, 1155625, 1432975, 1666250, 2311250, 2865950, 7164875, 14329750, 35824375, 71648750]

約数ペア:

[(1, 71648750), (2, 35824375), (5, 14329750), (10, 7164875), (25, 2865950), (31, 2311250), (43, 1666250), (50, 1432975), (62, 1155625), (86, 833125), (125, 573190), (155, 462250), (215, 333250), (250, 286595), (310, 231125), (430, 166625), (625, 114638), (775, 92450), (1075, 66650), (1250, 57319), (1333, 53750), (1550, 46225), (1849, 38750), (2150, 33325), (2666, 26875), (3698, 19375), (3875, 18490), (5375, 13330), (6665, 10750), (7750, 9245)]