68665000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 166446720

約数和(自身を除く): 97781720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 443, 500, 620, 625, 775, 886, 1000, 1240, 1250, 1550, 1772, 2215, 2500, 3100, 3544, 3875, 4430, 5000, 6200, 7750, 8860, 11075, 13733, 15500, 17720, 19375, 22150, 27466, 31000, 38750, 44300, 54932, 55375, 68665, 77500, 88600, 109864, 110750, 137330, 155000, 221500, 274660, 276875, 343325, 443000, 549320, 553750, 686650, 1107500, 1373300, 1716625, 2215000, 2746600, 3433250, 6866500, 8583125, 13733000, 17166250, 34332500, 68665000]

約数ペア:

[(1, 68665000), (2, 34332500), (4, 17166250), (5, 13733000), (8, 8583125), (10, 6866500), (20, 3433250), (25, 2746600), (31, 2215000), (40, 1716625), (50, 1373300), (62, 1107500), (100, 686650), (124, 553750), (125, 549320), (155, 443000), (200, 343325), (248, 276875), (250, 274660), (310, 221500), (443, 155000), (500, 137330), (620, 110750), (625, 109864), (775, 88600), (886, 77500), (1000, 68665), (1240, 55375), (1250, 54932), (1550, 44300), (1772, 38750), (2215, 31000), (2500, 27466), (3100, 22150), (3544, 19375), (3875, 17720), (4430, 15500), (5000, 13733), (6200, 11075), (7750, 8860)]