819400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 2025540

約数和(自身を除く): 1206140

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 241, 340, 425, 482, 680, 850, 964, 1205, 1700, 1928, 2410, 3400, 4097, 4820, 6025, 8194, 9640, 12050, 16388, 20485, 24100, 32776, 40970, 48200, 81940, 102425, 163880, 204850, 409700, 819400]

約数ペア:

[(1, 819400), (2, 409700), (4, 204850), (5, 163880), (8, 102425), (10, 81940), (17, 48200), (20, 40970), (25, 32776), (34, 24100), (40, 20485), (50, 16388), (68, 12050), (85, 9640), (100, 8194), (136, 6025), (170, 4820), (200, 4097), (241, 3400), (340, 2410), (425, 1928), (482, 1700), (680, 1205), (850, 964)]