249530260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{479}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 610122240

約数和(自身を除く): 360591980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 479, 610, 854, 958, 1220, 1708, 1916, 2135, 2395, 3353, 3721, 4270, 4790, 6706, 7442, 8540, 9580, 13412, 14884, 16765, 18605, 26047, 29219, 33530, 37210, 52094, 58438, 67060, 74420, 104188, 116876, 130235, 146095, 204533, 260470, 292190, 409066, 520940, 584380, 818132, 1022665, 1782359, 2045330, 3564718, 4090660, 7129436, 8911795, 12476513, 17823590, 24953026, 35647180, 49906052, 62382565, 124765130, 249530260]

約数ペア:

[(1, 249530260), (2, 124765130), (4, 62382565), (5, 49906052), (7, 35647180), (10, 24953026), (14, 17823590), (20, 12476513), (28, 8911795), (35, 7129436), (61, 4090660), (70, 3564718), (122, 2045330), (140, 1782359), (244, 1022665), (305, 818132), (427, 584380), (479, 520940), (610, 409066), (854, 292190), (958, 260470), (1220, 204533), (1708, 146095), (1916, 130235), (2135, 116876), (2395, 104188), (3353, 74420), (3721, 67060), (4270, 58438), (4790, 52094), (6706, 37210), (7442, 33530), (8540, 29219), (9580, 26047), (13412, 18605), (14884, 16765)]