1389742020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{49177}}^1$

素因数の和:49349

約数の個数: 72

約数和(自身を含む): 4242487704

約数和(自身を除く): 2852745684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 7065, 9420, 14130, 28260, 49177, 98354, 147531, 196708, 245885, 295062, 442593, 491770, 590124, 737655, 885186, 983540, 1475310, 1770372, 2212965, 2950620, 4425930, 7720789, 8851860, 15441578, 23162367, 30883156, 38603945, 46324734, 69487101, 77207890, 92649468, 115811835, 138974202, 154415780, 231623670, 277948404, 347435505, 463247340, 694871010, 1389742020]

約数ペア:

[(1, 1389742020), (2, 694871010), (3, 463247340), (4, 347435505), (5, 277948404), (6, 231623670), (9, 154415780), (10, 138974202), (12, 115811835), (15, 92649468), (18, 77207890), (20, 69487101), (30, 46324734), (36, 38603945), (45, 30883156), (60, 23162367), (90, 15441578), (157, 8851860), (180, 7720789), (314, 4425930), (471, 2950620), (628, 2212965), (785, 1770372), (942, 1475310), (1413, 983540), (1570, 885186), (1884, 737655), (2355, 590124), (2826, 491770), (3140, 442593), (4710, 295062), (5652, 245885), (7065, 196708), (9420, 147531), (14130, 98354), (28260, 49177)]