858641994620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{1478429}}^1$

素因数の和:1478918

約数の個数: 48

約数和(自身を含む): 1833016651200

約数和(自身を除く): 974374656580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 409, 710, 818, 1420, 1636, 2045, 4090, 8180, 29039, 58078, 116156, 145195, 290390, 580780, 1478429, 2956858, 5913716, 7392145, 14784290, 29568580, 104968459, 209936918, 419873836, 524842295, 604677461, 1049684590, 1209354922, 2099369180, 2418709844, 3023387305, 6046774610, 12093549220, 42932099731, 85864199462, 171728398924, 214660498655, 429320997310, 858641994620]

約数ペア:

[(1, 858641994620), (2, 429320997310), (4, 214660498655), (5, 171728398924), (10, 85864199462), (20, 42932099731), (71, 12093549220), (142, 6046774610), (284, 3023387305), (355, 2418709844), (409, 2099369180), (710, 1209354922), (818, 1049684590), (1420, 604677461), (1636, 524842295), (2045, 419873836), (4090, 209936918), (8180, 104968459), (29039, 29568580), (58078, 14784290), (116156, 7392145), (145195, 5913716), (290390, 2956858), (580780, 1478429)]