202159430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 420837120

約数和(自身を除く): 218677690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 197, 209, 394, 418, 491, 982, 985, 1045, 1970, 2090, 2167, 2455, 3743, 4334, 4910, 5401, 7486, 9329, 10802, 10835, 18658, 18715, 21670, 27005, 37430, 41173, 46645, 54010, 82346, 93290, 96727, 102619, 193454, 205238, 205865, 411730, 483635, 513095, 967270, 1026190, 1063997, 1837813, 2127994, 3675626, 5319985, 9189065, 10639970, 18378130, 20215943, 40431886, 101079715, 202159430]

約数ペア:

[(1, 202159430), (2, 101079715), (5, 40431886), (10, 20215943), (11, 18378130), (19, 10639970), (22, 9189065), (38, 5319985), (55, 3675626), (95, 2127994), (110, 1837813), (190, 1063997), (197, 1026190), (209, 967270), (394, 513095), (418, 483635), (491, 411730), (982, 205865), (985, 205238), (1045, 193454), (1970, 102619), (2090, 96727), (2167, 93290), (2455, 82346), (3743, 54010), (4334, 46645), (4910, 41173), (5401, 37430), (7486, 27005), (9329, 21670), (10802, 18715), (10835, 18658)]