28546840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2371}}^1$

素因数の和:2432

約数の個数: 64

約数和(自身を含む): 75144960

約数和(自身を除く): 46598120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2371, 2408, 3010, 4742, 6020, 9484, 11855, 12040, 16597, 18968, 23710, 33194, 47420, 66388, 82985, 94840, 101953, 132776, 165970, 203906, 331940, 407812, 509765, 663880, 713671, 815624, 1019530, 1427342, 2039060, 2854684, 3568355, 4078120, 5709368, 7136710, 14273420, 28546840]

約数ペア:

[(1, 28546840), (2, 14273420), (4, 7136710), (5, 5709368), (7, 4078120), (8, 3568355), (10, 2854684), (14, 2039060), (20, 1427342), (28, 1019530), (35, 815624), (40, 713671), (43, 663880), (56, 509765), (70, 407812), (86, 331940), (140, 203906), (172, 165970), (215, 132776), (280, 101953), (301, 94840), (344, 82985), (430, 66388), (602, 47420), (860, 33194), (1204, 23710), (1505, 18968), (1720, 16597), (2371, 12040), (2408, 11855), (3010, 9484), (4742, 6020)]