257771800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9013}}^1$

素因数の和:9053

約数の個数: 96

約数和(自身を含む): 704173680

約数和(自身を除く): 446401880

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 130, 143, 200, 220, 260, 275, 286, 325, 440, 520, 550, 572, 650, 715, 1100, 1144, 1300, 1430, 2200, 2600, 2860, 3575, 5720, 7150, 9013, 14300, 18026, 28600, 36052, 45065, 72104, 90130, 99143, 117169, 180260, 198286, 225325, 234338, 360520, 396572, 450650, 468676, 495715, 585845, 793144, 901300, 937352, 991430, 1171690, 1288859, 1802600, 1982860, 2343380, 2478575, 2577718, 2929225, 3965720, 4686760, 4957150, 5155436, 5858450, 6444295, 9914300, 10310872, 11716900, 12888590, 19828600, 23433800, 25777180, 32221475, 51554360, 64442950, 128885900, 257771800]

約数ペア:

[(1, 257771800), (2, 128885900), (4, 64442950), (5, 51554360), (8, 32221475), (10, 25777180), (11, 23433800), (13, 19828600), (20, 12888590), (22, 11716900), (25, 10310872), (26, 9914300), (40, 6444295), (44, 5858450), (50, 5155436), (52, 4957150), (55, 4686760), (65, 3965720), (88, 2929225), (100, 2577718), (104, 2478575), (110, 2343380), (130, 1982860), (143, 1802600), (200, 1288859), (220, 1171690), (260, 991430), (275, 937352), (286, 901300), (325, 793144), (440, 585845), (520, 495715), (550, 468676), (572, 450650), (650, 396572), (715, 360520), (1100, 234338), (1144, 225325), (1300, 198286), (1430, 180260), (2200, 117169), (2600, 99143), (2860, 90130), (3575, 72104), (5720, 45065), (7150, 36052), (9013, 28600), (14300, 18026)]