202215100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1603

約数の個数: 72

約数和(自身を含む): 468720000

約数和(自身を除く): 266504900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 355, 380, 475, 710, 950, 1349, 1420, 1499, 1775, 1900, 2698, 2998, 3550, 5396, 5996, 6745, 7100, 7495, 13490, 14990, 26980, 28481, 29980, 33725, 37475, 56962, 67450, 74950, 106429, 113924, 134900, 142405, 149900, 212858, 284810, 425716, 532145, 569620, 712025, 1064290, 1424050, 2022151, 2128580, 2660725, 2848100, 4044302, 5321450, 8088604, 10110755, 10642900, 20221510, 40443020, 50553775, 101107550, 202215100]

約数ペア:

[(1, 202215100), (2, 101107550), (4, 50553775), (5, 40443020), (10, 20221510), (19, 10642900), (20, 10110755), (25, 8088604), (38, 5321450), (50, 4044302), (71, 2848100), (76, 2660725), (95, 2128580), (100, 2022151), (142, 1424050), (190, 1064290), (284, 712025), (355, 569620), (380, 532145), (475, 425716), (710, 284810), (950, 212858), (1349, 149900), (1420, 142405), (1499, 134900), (1775, 113924), (1900, 106429), (2698, 74950), (2998, 67450), (3550, 56962), (5396, 37475), (5996, 33725), (6745, 29980), (7100, 28481), (7495, 26980), (13490, 14990)]