38818480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 120

約数和(自身を含む): 101413152

約数和(自身を除く): 62594672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 73, 80, 85, 92, 115, 136, 146, 170, 184, 230, 272, 289, 292, 340, 365, 368, 391, 460, 578, 584, 680, 730, 782, 920, 1156, 1168, 1241, 1360, 1445, 1460, 1564, 1679, 1840, 1955, 2312, 2482, 2890, 2920, 3128, 3358, 3910, 4624, 4964, 5780, 5840, 6205, 6256, 6647, 6716, 7820, 8395, 9928, 11560, 12410, 13294, 13432, 15640, 16790, 19856, 21097, 23120, 24820, 26588, 26864, 28543, 31280, 33235, 33580, 42194, 49640, 53176, 57086, 66470, 67160, 84388, 99280, 105485, 106352, 114172, 132940, 134320, 142715, 168776, 210970, 228344, 265880, 285430, 337552, 421940, 456688, 485231, 531760, 570860, 843880, 970462, 1141720, 1687760, 1940924, 2283440, 2426155, 3881848, 4852310, 7763696, 9704620, 19409240, 38818480]

約数ペア:

[(1, 38818480), (2, 19409240), (4, 9704620), (5, 7763696), (8, 4852310), (10, 3881848), (16, 2426155), (17, 2283440), (20, 1940924), (23, 1687760), (34, 1141720), (40, 970462), (46, 843880), (68, 570860), (73, 531760), (80, 485231), (85, 456688), (92, 421940), (115, 337552), (136, 285430), (146, 265880), (170, 228344), (184, 210970), (230, 168776), (272, 142715), (289, 134320), (292, 132940), (340, 114172), (365, 106352), (368, 105485), (391, 99280), (460, 84388), (578, 67160), (584, 66470), (680, 57086), (730, 53176), (782, 49640), (920, 42194), (1156, 33580), (1168, 33235), (1241, 31280), (1360, 28543), (1445, 26864), (1460, 26588), (1564, 24820), (1679, 23120), (1840, 21097), (1955, 19856), (2312, 16790), (2482, 15640), (2890, 13432), (2920, 13294), (3128, 12410), (3358, 11560), (3910, 9928), (4624, 8395), (4964, 7820), (5780, 6716), (5840, 6647), (6205, 6256)]