101930440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:1990

約数の個数: 64

約数和(自身を含む): 244944000

約数和(自身を除く): 143013560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 1889, 2698, 2840, 3778, 5396, 6745, 7556, 9445, 10792, 13490, 15112, 18890, 26980, 35891, 37780, 53960, 71782, 75560, 134119, 143564, 179455, 268238, 287128, 358910, 536476, 670595, 717820, 1072952, 1341190, 1435640, 2548261, 2682380, 5096522, 5364760, 10193044, 12741305, 20386088, 25482610, 50965220, 101930440]

約数ペア:

[(1, 101930440), (2, 50965220), (4, 25482610), (5, 20386088), (8, 12741305), (10, 10193044), (19, 5364760), (20, 5096522), (38, 2682380), (40, 2548261), (71, 1435640), (76, 1341190), (95, 1072952), (142, 717820), (152, 670595), (190, 536476), (284, 358910), (355, 287128), (380, 268238), (568, 179455), (710, 143564), (760, 134119), (1349, 75560), (1420, 71782), (1889, 53960), (2698, 37780), (2840, 35891), (3778, 26980), (5396, 18890), (6745, 15112), (7556, 13490), (9445, 10792)]