42656900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 115200960

約数和(自身を除く): 72544060

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 25, 26, 38, 44, 50, 52, 55, 65, 76, 95, 100, 110, 130, 143, 157, 190, 209, 220, 247, 260, 275, 286, 314, 325, 380, 418, 475, 494, 550, 572, 628, 650, 715, 785, 836, 950, 988, 1045, 1100, 1235, 1300, 1430, 1570, 1727, 1900, 2041, 2090, 2470, 2717, 2860, 2983, 3140, 3454, 3575, 3925, 4082, 4180, 4940, 5225, 5434, 5966, 6175, 6908, 7150, 7850, 8164, 8635, 10205, 10450, 10868, 11932, 12350, 13585, 14300, 14915, 15700, 17270, 20410, 20900, 22451, 24700, 27170, 29830, 32813, 34540, 38779, 40820, 43175, 44902, 51025, 54340, 59660, 65626, 67925, 74575, 77558, 86350, 89804, 102050, 112255, 131252, 135850, 149150, 155116, 164065, 172700, 193895, 204100, 224510, 271700, 298300, 328130, 387790, 426569, 449020, 561275, 656260, 775580, 820325, 853138, 969475, 1122550, 1640650, 1706276, 1938950, 2132845, 2245100, 3281300, 3877900, 4265690, 8531380, 10664225, 21328450, 42656900]

約数ペア:

[(1, 42656900), (2, 21328450), (4, 10664225), (5, 8531380), (10, 4265690), (11, 3877900), (13, 3281300), (19, 2245100), (20, 2132845), (22, 1938950), (25, 1706276), (26, 1640650), (38, 1122550), (44, 969475), (50, 853138), (52, 820325), (55, 775580), (65, 656260), (76, 561275), (95, 449020), (100, 426569), (110, 387790), (130, 328130), (143, 298300), (157, 271700), (190, 224510), (209, 204100), (220, 193895), (247, 172700), (260, 164065), (275, 155116), (286, 149150), (314, 135850), (325, 131252), (380, 112255), (418, 102050), (475, 89804), (494, 86350), (550, 77558), (572, 74575), (628, 67925), (650, 65626), (715, 59660), (785, 54340), (836, 51025), (950, 44902), (988, 43175), (1045, 40820), (1100, 38779), (1235, 34540), (1300, 32813), (1430, 29830), (1570, 27170), (1727, 24700), (1900, 22451), (2041, 20900), (2090, 20410), (2470, 17270), (2717, 15700), (2860, 14915), (2983, 14300), (3140, 13585), (3454, 12350), (3575, 11932), (3925, 10868), (4082, 10450), (4180, 10205), (4940, 8635), (5225, 8164), (5434, 7850), (5966, 7150), (6175, 6908)]