904829440

素因数分解:

$2^9\times 5^1\times {\mathrm{571}}^1\times {\mathrm{619}}^1$

素因数の和:1213

約数の個数: 80

約数和(自身を含む): 2176780320

約数和(自身を除く): 1271950880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 571, 619, 640, 1142, 1238, 1280, 2284, 2476, 2560, 2855, 3095, 4568, 4952, 5710, 6190, 9136, 9904, 11420, 12380, 18272, 19808, 22840, 24760, 36544, 39616, 45680, 49520, 73088, 79232, 91360, 99040, 146176, 158464, 182720, 198080, 292352, 316928, 353449, 365440, 396160, 706898, 730880, 792320, 1413796, 1461760, 1584640, 1767245, 2827592, 3534490, 5655184, 7068980, 11310368, 14137960, 22620736, 28275920, 45241472, 56551840, 90482944, 113103680, 180965888, 226207360, 452414720, 904829440]

約数ペア:

[(1, 904829440), (2, 452414720), (4, 226207360), (5, 180965888), (8, 113103680), (10, 90482944), (16, 56551840), (20, 45241472), (32, 28275920), (40, 22620736), (64, 14137960), (80, 11310368), (128, 7068980), (160, 5655184), (256, 3534490), (320, 2827592), (512, 1767245), (571, 1584640), (619, 1461760), (640, 1413796), (1142, 792320), (1238, 730880), (1280, 706898), (2284, 396160), (2476, 365440), (2560, 353449), (2855, 316928), (3095, 292352), (4568, 198080), (4952, 182720), (5710, 158464), (6190, 146176), (9136, 99040), (9904, 91360), (11420, 79232), (12380, 73088), (18272, 49520), (19808, 45680), (22840, 39616), (24760, 36544)]