7900970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 18358272

約数和(自身を除く): 10457302

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 110, 154, 155, 217, 310, 331, 341, 385, 434, 662, 682, 770, 1085, 1655, 1705, 2170, 2317, 2387, 3310, 3410, 3641, 4634, 4774, 7282, 10261, 11585, 11935, 18205, 20522, 23170, 23870, 25487, 36410, 50974, 51305, 71827, 102610, 112871, 127435, 143654, 225742, 254870, 359135, 564355, 718270, 790097, 1128710, 1580194, 3950485, 7900970]

約数ペア:

[(1, 7900970), (2, 3950485), (5, 1580194), (7, 1128710), (10, 790097), (11, 718270), (14, 564355), (22, 359135), (31, 254870), (35, 225742), (55, 143654), (62, 127435), (70, 112871), (77, 102610), (110, 71827), (154, 51305), (155, 50974), (217, 36410), (310, 25487), (331, 23870), (341, 23170), (385, 20522), (434, 18205), (662, 11935), (682, 11585), (770, 10261), (1085, 7282), (1655, 4774), (1705, 4634), (2170, 3641), (2317, 3410), (2387, 3310)]