1900556480

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{20551}}^1$

素因数の和:20602

約数の個数: 84

約数和(自身を含む): 4807811568

約数和(自身を除く): 2907255088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 289, 320, 340, 544, 578, 680, 1088, 1156, 1360, 1445, 2312, 2720, 2890, 4624, 5440, 5780, 9248, 11560, 18496, 20551, 23120, 41102, 46240, 82204, 92480, 102755, 164408, 205510, 328816, 349367, 411020, 657632, 698734, 822040, 1315264, 1397468, 1644080, 1746835, 2794936, 3288160, 3493670, 5589872, 5939239, 6576320, 6987340, 11179744, 11878478, 13974680, 22359488, 23756956, 27949360, 29696195, 47513912, 55898720, 59392390, 95027824, 111797440, 118784780, 190055648, 237569560, 380111296, 475139120, 950278240, 1900556480]

約数ペア:

[(1, 1900556480), (2, 950278240), (4, 475139120), (5, 380111296), (8, 237569560), (10, 190055648), (16, 118784780), (17, 111797440), (20, 95027824), (32, 59392390), (34, 55898720), (40, 47513912), (64, 29696195), (68, 27949360), (80, 23756956), (85, 22359488), (136, 13974680), (160, 11878478), (170, 11179744), (272, 6987340), (289, 6576320), (320, 5939239), (340, 5589872), (544, 3493670), (578, 3288160), (680, 2794936), (1088, 1746835), (1156, 1644080), (1360, 1397468), (1445, 1315264), (2312, 822040), (2720, 698734), (2890, 657632), (4624, 411020), (5440, 349367), (5780, 328816), (9248, 205510), (11560, 164408), (18496, 102755), (20551, 92480), (23120, 82204), (41102, 46240)]