205432370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7561}}^1$

素因数の和:7611

約数の個数: 64

約数和(自身を含む): 457349760

約数和(自身を除く): 251917390

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 1045, 1235, 1430, 2090, 2470, 2717, 5434, 7561, 13585, 15122, 27170, 37805, 75610, 83171, 98293, 143659, 166342, 196586, 287318, 415855, 491465, 718295, 831710, 982930, 1081223, 1436590, 1580249, 1867567, 2162446, 3160498, 3735134, 5406115, 7901245, 9337835, 10812230, 15802490, 18675670, 20543237, 41086474, 102716185, 205432370]

約数ペア:

[(1, 205432370), (2, 102716185), (5, 41086474), (10, 20543237), (11, 18675670), (13, 15802490), (19, 10812230), (22, 9337835), (26, 7901245), (38, 5406115), (55, 3735134), (65, 3160498), (95, 2162446), (110, 1867567), (130, 1580249), (143, 1436590), (190, 1081223), (209, 982930), (247, 831710), (286, 718295), (418, 491465), (494, 415855), (715, 287318), (1045, 196586), (1235, 166342), (1430, 143659), (2090, 98293), (2470, 83171), (2717, 75610), (5434, 37805), (7561, 27170), (13585, 15122)]