230187980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{1303}}^1$

素因数の和:1407

約数の個数: 72

約数和(自身を含む): 539026656

約数和(自身を除く): 308838676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 121, 146, 220, 242, 292, 365, 484, 605, 730, 803, 1210, 1303, 1460, 1606, 2420, 2606, 3212, 4015, 5212, 6515, 8030, 8833, 13030, 14333, 16060, 17666, 26060, 28666, 35332, 44165, 57332, 71665, 88330, 95119, 143330, 157663, 176660, 190238, 286660, 315326, 380476, 475595, 630652, 788315, 951190, 1046309, 1576630, 1902380, 2092618, 3153260, 4185236, 5231545, 10463090, 11509399, 20926180, 23018798, 46037596, 57546995, 115093990, 230187980]

約数ペア:

[(1, 230187980), (2, 115093990), (4, 57546995), (5, 46037596), (10, 23018798), (11, 20926180), (20, 11509399), (22, 10463090), (44, 5231545), (55, 4185236), (73, 3153260), (110, 2092618), (121, 1902380), (146, 1576630), (220, 1046309), (242, 951190), (292, 788315), (365, 630652), (484, 475595), (605, 380476), (730, 315326), (803, 286660), (1210, 190238), (1303, 176660), (1460, 157663), (1606, 143330), (2420, 95119), (2606, 88330), (3212, 71665), (4015, 57332), (5212, 44165), (6515, 35332), (8030, 28666), (8833, 26060), (13030, 17666), (14333, 16060)]