866450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 48

約数和(自身を含む): 1833216

約数和(自身を除く): 966766

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 43, 50, 62, 65, 86, 130, 155, 215, 310, 325, 403, 430, 559, 650, 775, 806, 1075, 1118, 1333, 1550, 2015, 2150, 2666, 2795, 4030, 5590, 6665, 10075, 13330, 13975, 17329, 20150, 27950, 33325, 34658, 66650, 86645, 173290, 433225, 866450]

約数ペア:

[(1, 866450), (2, 433225), (5, 173290), (10, 86645), (13, 66650), (25, 34658), (26, 33325), (31, 27950), (43, 20150), (50, 17329), (62, 13975), (65, 13330), (86, 10075), (130, 6665), (155, 5590), (215, 4030), (310, 2795), (325, 2666), (403, 2150), (430, 2015), (559, 1550), (650, 1333), (775, 1118), (806, 1075)]