38410020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1066

約数の個数: 144

約数和(自身を含む): 133922880

約数和(自身を除く): 95512860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1021, 1045, 1140, 1254, 1710, 1881, 1980, 2042, 2090, 2508, 3063, 3135, 3420, 3762, 4084, 4180, 5105, 6126, 6270, 7524, 9189, 9405, 10210, 11231, 12252, 12540, 15315, 18378, 18810, 19399, 20420, 22462, 30630, 33693, 36756, 37620, 38798, 44924, 45945, 56155, 58197, 61260, 67386, 77596, 91890, 96995, 101079, 112310, 116394, 134772, 168465, 174591, 183780, 193990, 202158, 213389, 224620, 232788, 290985, 336930, 349182, 387980, 404316, 426778, 505395, 581970, 640167, 673860, 698364, 853556, 872955, 1010790, 1066945, 1163940, 1280334, 1745910, 1920501, 2021580, 2133890, 2560668, 3200835, 3491820, 3841002, 4267780, 6401670, 7682004, 9602505, 12803340, 19205010, 38410020]

約数ペア:

[(1, 38410020), (2, 19205010), (3, 12803340), (4, 9602505), (5, 7682004), (6, 6401670), (9, 4267780), (10, 3841002), (11, 3491820), (12, 3200835), (15, 2560668), (18, 2133890), (19, 2021580), (20, 1920501), (22, 1745910), (30, 1280334), (33, 1163940), (36, 1066945), (38, 1010790), (44, 872955), (45, 853556), (55, 698364), (57, 673860), (60, 640167), (66, 581970), (76, 505395), (90, 426778), (95, 404316), (99, 387980), (110, 349182), (114, 336930), (132, 290985), (165, 232788), (171, 224620), (180, 213389), (190, 202158), (198, 193990), (209, 183780), (220, 174591), (228, 168465), (285, 134772), (330, 116394), (342, 112310), (380, 101079), (396, 96995), (418, 91890), (495, 77596), (570, 67386), (627, 61260), (660, 58197), (684, 56155), (836, 45945), (855, 44924), (990, 38798), (1021, 37620), (1045, 36756), (1140, 33693), (1254, 30630), (1710, 22462), (1881, 20420), (1980, 19399), (2042, 18810), (2090, 18378), (2508, 15315), (3063, 12540), (3135, 12252), (3420, 11231), (3762, 10210), (4084, 9405), (4180, 9189), (5105, 7524), (6126, 6270)]