31182800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:421

約数の個数: 120

約数和(自身を含む): 86259360

約数和(自身を除く): 55076560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 152, 176, 190, 200, 209, 220, 275, 304, 373, 380, 400, 418, 440, 475, 550, 746, 760, 836, 880, 950, 1045, 1100, 1492, 1520, 1672, 1865, 1900, 2090, 2200, 2984, 3344, 3730, 3800, 4103, 4180, 4400, 5225, 5968, 7087, 7460, 7600, 8206, 8360, 9325, 10450, 14174, 14920, 16412, 16720, 18650, 20515, 20900, 28348, 29840, 32824, 35435, 37300, 41030, 41800, 56696, 65648, 70870, 74600, 77957, 82060, 83600, 102575, 113392, 141740, 149200, 155914, 164120, 177175, 205150, 283480, 311828, 328240, 354350, 389785, 410300, 566960, 623656, 708700, 779570, 820600, 1247312, 1417400, 1559140, 1641200, 1948925, 2834800, 3118280, 3897850, 6236560, 7795700, 15591400, 31182800]

約数ペア:

[(1, 31182800), (2, 15591400), (4, 7795700), (5, 6236560), (8, 3897850), (10, 3118280), (11, 2834800), (16, 1948925), (19, 1641200), (20, 1559140), (22, 1417400), (25, 1247312), (38, 820600), (40, 779570), (44, 708700), (50, 623656), (55, 566960), (76, 410300), (80, 389785), (88, 354350), (95, 328240), (100, 311828), (110, 283480), (152, 205150), (176, 177175), (190, 164120), (200, 155914), (209, 149200), (220, 141740), (275, 113392), (304, 102575), (373, 83600), (380, 82060), (400, 77957), (418, 74600), (440, 70870), (475, 65648), (550, 56696), (746, 41800), (760, 41030), (836, 37300), (880, 35435), (950, 32824), (1045, 29840), (1100, 28348), (1492, 20900), (1520, 20515), (1672, 18650), (1865, 16720), (1900, 16412), (2090, 14920), (2200, 14174), (2984, 10450), (3344, 9325), (3730, 8360), (3800, 8206), (4103, 7600), (4180, 7460), (4400, 7087), (5225, 5968)]