668821930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{587}}^1$

素因数の和:1039

約数の個数: 64

約数和(自身を含む): 1415377152

約数和(自身を除く): 746555222

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 397, 410, 574, 587, 794, 1174, 1435, 1985, 2779, 2870, 2935, 3970, 4109, 5558, 5870, 8218, 13895, 16277, 20545, 24067, 27790, 32554, 41090, 48134, 81385, 113939, 120335, 162770, 168469, 227878, 233039, 240670, 336938, 466078, 569695, 842345, 1139390, 1165195, 1631273, 1684690, 2330390, 3262546, 8156365, 9554599, 16312730, 19109198, 47772995, 66882193, 95545990, 133764386, 334410965, 668821930]

約数ペア:

[(1, 668821930), (2, 334410965), (5, 133764386), (7, 95545990), (10, 66882193), (14, 47772995), (35, 19109198), (41, 16312730), (70, 9554599), (82, 8156365), (205, 3262546), (287, 2330390), (397, 1684690), (410, 1631273), (574, 1165195), (587, 1139390), (794, 842345), (1174, 569695), (1435, 466078), (1985, 336938), (2779, 240670), (2870, 233039), (2935, 227878), (3970, 168469), (4109, 162770), (5558, 120335), (5870, 113939), (8218, 81385), (13895, 48134), (16277, 41090), (20545, 32554), (24067, 27790)]