329681680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{242413}}^1$

素因数の和:242443

約数の個数: 40

約数和(自身を含む): 811602072

約数和(自身を除く): 481920392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 242413, 484826, 969652, 1212065, 1939304, 2424130, 3878608, 4121021, 4848260, 8242042, 9696520, 16484084, 19393040, 20605105, 32968168, 41210210, 65936336, 82420420, 164840840, 329681680]

約数ペア:

[(1, 329681680), (2, 164840840), (4, 82420420), (5, 65936336), (8, 41210210), (10, 32968168), (16, 20605105), (17, 19393040), (20, 16484084), (34, 9696520), (40, 8242042), (68, 4848260), (80, 4121021), (85, 3878608), (136, 2424130), (170, 1939304), (272, 1212065), (340, 969652), (680, 484826), (1360, 242413)]