64641610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 135146880

約数和(自身を除く): 70505270

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 157, 190, 197, 209, 314, 394, 418, 785, 985, 1045, 1570, 1727, 1970, 2090, 2167, 2983, 3454, 3743, 4334, 5966, 7486, 8635, 10835, 14915, 17270, 18715, 21670, 29830, 30929, 32813, 37430, 41173, 61858, 65626, 82346, 154645, 164065, 205865, 309290, 328130, 340219, 411730, 587651, 680438, 1175302, 1701095, 2938255, 3402190, 5876510, 6464161, 12928322, 32320805, 64641610]

約数ペア:

[(1, 64641610), (2, 32320805), (5, 12928322), (10, 6464161), (11, 5876510), (19, 3402190), (22, 2938255), (38, 1701095), (55, 1175302), (95, 680438), (110, 587651), (157, 411730), (190, 340219), (197, 328130), (209, 309290), (314, 205865), (394, 164065), (418, 154645), (785, 82346), (985, 65626), (1045, 61858), (1570, 41173), (1727, 37430), (1970, 32813), (2090, 30929), (2167, 29830), (2983, 21670), (3454, 18715), (3743, 17270), (4334, 14915), (5966, 10835), (7486, 8635)]