670857572

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^2\times {\mathrm{349}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 1486699200

約数和(自身を除く): 815841628

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 79, 154, 158, 308, 316, 349, 553, 698, 869, 1106, 1396, 1738, 2212, 2443, 3476, 3839, 4886, 6083, 6241, 7678, 9772, 12166, 12482, 15356, 24332, 24964, 26873, 27571, 43687, 53746, 55142, 68651, 87374, 107492, 110284, 137302, 174748, 192997, 274604, 303281, 385994, 480557, 606562, 771988, 961114, 1213124, 1922228, 2122967, 2178109, 4245934, 4356218, 8491868, 8712436, 15246763, 23959199, 30493526, 47918398, 60987052, 95836796, 167714393, 335428786, 670857572]

約数ペア:

[(1, 670857572), (2, 335428786), (4, 167714393), (7, 95836796), (11, 60987052), (14, 47918398), (22, 30493526), (28, 23959199), (44, 15246763), (77, 8712436), (79, 8491868), (154, 4356218), (158, 4245934), (308, 2178109), (316, 2122967), (349, 1922228), (553, 1213124), (698, 961114), (869, 771988), (1106, 606562), (1396, 480557), (1738, 385994), (2212, 303281), (2443, 274604), (3476, 192997), (3839, 174748), (4886, 137302), (6083, 110284), (6241, 107492), (7678, 87374), (9772, 68651), (12166, 55142), (12482, 53746), (15356, 43687), (24332, 27571), (24964, 26873)]