8708406140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1\times {\mathrm{2579}}^1$

素因数の和:2955

約数の個数: 96

約数和(自身を含む): 21221222400

約数和(自身を除く): 12512816260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 271, 356, 445, 542, 623, 890, 1084, 1246, 1355, 1780, 1897, 2492, 2579, 2710, 3115, 3794, 5158, 5420, 6230, 7588, 9485, 10316, 12460, 12895, 18053, 18970, 24119, 25790, 36106, 37940, 48238, 51580, 72212, 90265, 96476, 120595, 168833, 180530, 229531, 241190, 337666, 361060, 459062, 482380, 675332, 698909, 844165, 918124, 1147655, 1397818, 1606717, 1688330, 2295310, 2795636, 3213434, 3376660, 3494545, 4590620, 4892363, 6426868, 6989090, 8033585, 9784726, 13978180, 16067170, 19569452, 24461815, 32134340, 48923630, 62202901, 97847260, 124405802, 248811604, 311014505, 435420307, 622029010, 870840614, 1244058020, 1741681228, 2177101535, 4354203070, 8708406140]

約数ペア:

[(1, 8708406140), (2, 4354203070), (4, 2177101535), (5, 1741681228), (7, 1244058020), (10, 870840614), (14, 622029010), (20, 435420307), (28, 311014505), (35, 248811604), (70, 124405802), (89, 97847260), (140, 62202901), (178, 48923630), (271, 32134340), (356, 24461815), (445, 19569452), (542, 16067170), (623, 13978180), (890, 9784726), (1084, 8033585), (1246, 6989090), (1355, 6426868), (1780, 4892363), (1897, 4590620), (2492, 3494545), (2579, 3376660), (2710, 3213434), (3115, 2795636), (3794, 2295310), (5158, 1688330), (5420, 1606717), (6230, 1397818), (7588, 1147655), (9485, 918124), (10316, 844165), (12460, 698909), (12895, 675332), (18053, 482380), (18970, 459062), (24119, 361060), (25790, 337666), (36106, 241190), (37940, 229531), (48238, 180530), (51580, 168833), (72212, 120595), (90265, 96476)]