89727140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1489}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 198253440

約数和(自身を除く): 108526300

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 230, 262, 460, 524, 655, 1310, 1489, 2620, 2978, 3013, 5956, 6026, 7445, 12052, 14890, 15065, 29780, 30130, 34247, 60260, 68494, 136988, 171235, 195059, 342470, 390118, 684940, 780236, 975295, 1950590, 3901180, 4486357, 8972714, 17945428, 22431785, 44863570, 89727140]

約数ペア:

[(1, 89727140), (2, 44863570), (4, 22431785), (5, 17945428), (10, 8972714), (20, 4486357), (23, 3901180), (46, 1950590), (92, 975295), (115, 780236), (131, 684940), (230, 390118), (262, 342470), (460, 195059), (524, 171235), (655, 136988), (1310, 68494), (1489, 60260), (2620, 34247), (2978, 30130), (3013, 29780), (5956, 15065), (6026, 14890), (7445, 12052)]