231346180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28703}}^1$

素因数の和:28756

約数の個数: 48

約数和(自身を含む): 540094464

約数和(自身を除く): 308748284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 28703, 57406, 114812, 143515, 287030, 373139, 574060, 746278, 889793, 1492556, 1779586, 1865695, 3559172, 3731390, 4448965, 7462780, 8897930, 11567309, 17795860, 23134618, 46269236, 57836545, 115673090, 231346180]

約数ペア:

[(1, 231346180), (2, 115673090), (4, 57836545), (5, 46269236), (10, 23134618), (13, 17795860), (20, 11567309), (26, 8897930), (31, 7462780), (52, 4448965), (62, 3731390), (65, 3559172), (124, 1865695), (130, 1779586), (155, 1492556), (260, 889793), (310, 746278), (403, 574060), (620, 373139), (806, 287030), (1612, 143515), (2015, 114812), (4030, 57406), (8060, 28703)]