1640217333890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{488717}}^1$

素因数の和:488987

約数の個数: 64

約数和(自身を含む): 3116222357760

約数和(自身を除く): 1476005023870

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 163, 290, 326, 355, 710, 815, 1630, 2059, 4118, 4727, 9454, 10295, 11573, 20590, 23146, 23635, 47270, 57865, 115730, 335617, 488717, 671234, 977434, 1678085, 2443585, 3356170, 4887170, 14172793, 28345586, 34698907, 69397814, 70863965, 79660871, 141727930, 159321742, 173494535, 346989070, 398304355, 796608710, 1006268303, 2012536606, 2310165259, 4620330518, 5031341515, 5655921841, 10062683030, 11311843682, 11550826295, 23101652590, 28279609205, 56559218410, 164021733389, 328043466778, 820108666945, 1640217333890]

約数ペア:

[(1, 1640217333890), (2, 820108666945), (5, 328043466778), (10, 164021733389), (29, 56559218410), (58, 28279609205), (71, 23101652590), (142, 11550826295), (145, 11311843682), (163, 10062683030), (290, 5655921841), (326, 5031341515), (355, 4620330518), (710, 2310165259), (815, 2012536606), (1630, 1006268303), (2059, 796608710), (4118, 398304355), (4727, 346989070), (9454, 173494535), (10295, 159321742), (11573, 141727930), (20590, 79660871), (23146, 70863965), (23635, 69397814), (47270, 34698907), (57865, 28345586), (115730, 14172793), (335617, 4887170), (488717, 3356170), (671234, 2443585), (977434, 1678085)]