19977937140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{152947}}^1$

素因数の和:153277

約数の個数: 96

約数和(自身を含む): 64135378944

約数和(自身を除く): 44157441804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 311, 420, 622, 933, 1244, 1555, 1866, 2177, 3110, 3732, 4354, 4665, 6220, 6531, 8708, 9330, 10885, 13062, 18660, 21770, 26124, 32655, 43540, 65310, 130620, 152947, 305894, 458841, 611788, 764735, 917682, 1070629, 1529470, 1835364, 2141258, 2294205, 3058940, 3211887, 4282516, 4588410, 5353145, 6423774, 9176820, 10706290, 12847548, 16059435, 21412580, 32118870, 47566517, 64237740, 95133034, 142699551, 190266068, 237832585, 285399102, 332965619, 475665170, 570798204, 665931238, 713497755, 951330340, 998896857, 1331862476, 1426995510, 1664828095, 1997793714, 2853991020, 3329656190, 3995587428, 4994484285, 6659312380, 9988968570, 19977937140]

約数ペア:

[(1, 19977937140), (2, 9988968570), (3, 6659312380), (4, 4994484285), (5, 3995587428), (6, 3329656190), (7, 2853991020), (10, 1997793714), (12, 1664828095), (14, 1426995510), (15, 1331862476), (20, 998896857), (21, 951330340), (28, 713497755), (30, 665931238), (35, 570798204), (42, 475665170), (60, 332965619), (70, 285399102), (84, 237832585), (105, 190266068), (140, 142699551), (210, 95133034), (311, 64237740), (420, 47566517), (622, 32118870), (933, 21412580), (1244, 16059435), (1555, 12847548), (1866, 10706290), (2177, 9176820), (3110, 6423774), (3732, 5353145), (4354, 4588410), (4665, 4282516), (6220, 3211887), (6531, 3058940), (8708, 2294205), (9330, 2141258), (10885, 1835364), (13062, 1529470), (18660, 1070629), (21770, 917682), (26124, 764735), (32655, 611788), (43540, 458841), (65310, 305894), (130620, 152947)]