17971240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 48201480

約数和(自身を除く): 30230240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 173, 196, 212, 245, 265, 280, 346, 371, 392, 424, 490, 530, 692, 742, 865, 980, 1060, 1211, 1384, 1484, 1730, 1855, 1960, 2120, 2422, 2597, 2968, 3460, 3710, 4844, 5194, 6055, 6920, 7420, 8477, 9169, 9688, 10388, 12110, 12985, 14840, 16954, 18338, 20776, 24220, 25970, 33908, 36676, 42385, 45845, 48440, 51940, 64183, 67816, 73352, 84770, 91690, 103880, 128366, 169540, 183380, 256732, 320915, 339080, 366760, 449281, 513464, 641830, 898562, 1283660, 1797124, 2246405, 2567320, 3594248, 4492810, 8985620, 17971240]

約数ペア:

[(1, 17971240), (2, 8985620), (4, 4492810), (5, 3594248), (7, 2567320), (8, 2246405), (10, 1797124), (14, 1283660), (20, 898562), (28, 641830), (35, 513464), (40, 449281), (49, 366760), (53, 339080), (56, 320915), (70, 256732), (98, 183380), (106, 169540), (140, 128366), (173, 103880), (196, 91690), (212, 84770), (245, 73352), (265, 67816), (280, 64183), (346, 51940), (371, 48440), (392, 45845), (424, 42385), (490, 36676), (530, 33908), (692, 25970), (742, 24220), (865, 20776), (980, 18338), (1060, 16954), (1211, 14840), (1384, 12985), (1484, 12110), (1730, 10388), (1855, 9688), (1960, 9169), (2120, 8477), (2422, 7420), (2597, 6920), (2968, 6055), (3460, 5194), (3710, 4844)]