31525450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 67602816

約数和(自身を除く): 36077366

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 43, 50, 55, 62, 86, 110, 155, 215, 275, 310, 341, 430, 473, 550, 682, 775, 946, 1075, 1333, 1550, 1705, 1849, 2150, 2365, 2666, 3410, 3698, 4730, 6665, 8525, 9245, 11825, 13330, 14663, 17050, 18490, 20339, 23650, 29326, 33325, 40678, 46225, 57319, 66650, 73315, 92450, 101695, 114638, 146630, 203390, 286595, 366575, 508475, 573190, 630509, 733150, 1016950, 1261018, 1432975, 2865950, 3152545, 6305090, 15762725, 31525450]

約数ペア:

[(1, 31525450), (2, 15762725), (5, 6305090), (10, 3152545), (11, 2865950), (22, 1432975), (25, 1261018), (31, 1016950), (43, 733150), (50, 630509), (55, 573190), (62, 508475), (86, 366575), (110, 286595), (155, 203390), (215, 146630), (275, 114638), (310, 101695), (341, 92450), (430, 73315), (473, 66650), (550, 57319), (682, 46225), (775, 40678), (946, 33325), (1075, 29326), (1333, 23650), (1550, 20339), (1705, 18490), (1849, 17050), (2150, 14663), (2365, 13330), (2666, 11825), (3410, 9245), (3698, 8525), (4730, 6665)]