305195440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 120

約数和(自身を含む): 795944592

約数和(自身を除く): 490749152

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 157, 176, 188, 220, 235, 314, 376, 440, 470, 517, 628, 752, 785, 880, 940, 1034, 1256, 1570, 1727, 1880, 2068, 2209, 2512, 2585, 3140, 3454, 3760, 4136, 4418, 5170, 6280, 6908, 7379, 8272, 8635, 8836, 10340, 11045, 12560, 13816, 14758, 17270, 17672, 20680, 22090, 24299, 27632, 29516, 34540, 35344, 36895, 41360, 44180, 48598, 59032, 69080, 73790, 81169, 88360, 97196, 118064, 121495, 138160, 147580, 162338, 176720, 194392, 242990, 295160, 324676, 346813, 388784, 405845, 485980, 590320, 649352, 693626, 811690, 971960, 1298704, 1387252, 1623380, 1734065, 1943920, 2774504, 3246760, 3468130, 3814943, 5549008, 6493520, 6936260, 7629886, 13872520, 15259772, 19074715, 27745040, 30519544, 38149430, 61039088, 76298860, 152597720, 305195440]

約数ペア:

[(1, 305195440), (2, 152597720), (4, 76298860), (5, 61039088), (8, 38149430), (10, 30519544), (11, 27745040), (16, 19074715), (20, 15259772), (22, 13872520), (40, 7629886), (44, 6936260), (47, 6493520), (55, 5549008), (80, 3814943), (88, 3468130), (94, 3246760), (110, 2774504), (157, 1943920), (176, 1734065), (188, 1623380), (220, 1387252), (235, 1298704), (314, 971960), (376, 811690), (440, 693626), (470, 649352), (517, 590320), (628, 485980), (752, 405845), (785, 388784), (880, 346813), (940, 324676), (1034, 295160), (1256, 242990), (1570, 194392), (1727, 176720), (1880, 162338), (2068, 147580), (2209, 138160), (2512, 121495), (2585, 118064), (3140, 97196), (3454, 88360), (3760, 81169), (4136, 73790), (4418, 69080), (5170, 59032), (6280, 48598), (6908, 44180), (7379, 41360), (8272, 36895), (8635, 35344), (8836, 34540), (10340, 29516), (11045, 27632), (12560, 24299), (13816, 22090), (14758, 20680), (17270, 17672)]