216606920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{569}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 505612800

約数和(自身を除く): 289005880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 307, 310, 569, 614, 620, 1138, 1228, 1240, 1535, 2276, 2456, 2845, 3070, 4552, 5690, 6140, 9517, 11380, 12280, 17639, 19034, 22760, 35278, 38068, 47585, 70556, 76136, 88195, 95170, 141112, 174683, 176390, 190340, 349366, 352780, 380680, 698732, 705560, 873415, 1397464, 1746830, 3493660, 5415173, 6987320, 10830346, 21660692, 27075865, 43321384, 54151730, 108303460, 216606920]

約数ペア:

[(1, 216606920), (2, 108303460), (4, 54151730), (5, 43321384), (8, 27075865), (10, 21660692), (20, 10830346), (31, 6987320), (40, 5415173), (62, 3493660), (124, 1746830), (155, 1397464), (248, 873415), (307, 705560), (310, 698732), (569, 380680), (614, 352780), (620, 349366), (1138, 190340), (1228, 176390), (1240, 174683), (1535, 141112), (2276, 95170), (2456, 88195), (2845, 76136), (3070, 70556), (4552, 47585), (5690, 38068), (6140, 35278), (9517, 22760), (11380, 19034), (12280, 17639)]