1285334875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 1849236480

約数和(自身を除く): 563901605

約数列:

[1, 5, 11, 23, 25, 55, 97, 115, 125, 253, 275, 419, 485, 575, 1067, 1265, 1375, 2095, 2231, 2425, 2875, 4609, 5335, 6325, 9637, 10475, 11155, 12125, 23045, 24541, 26675, 31625, 40643, 48185, 52375, 55775, 106007, 115225, 122705, 133375, 203215, 240925, 278875, 447073, 530035, 576125, 613525, 934789, 1016075, 1204625, 2235365, 2650175, 3067625, 4673945, 5080375, 10282679, 11176825, 13250875, 23369725, 51413395, 55884125, 116848625, 257066975, 1285334875]

約数ペア:

[(1, 1285334875), (5, 257066975), (11, 116848625), (23, 55884125), (25, 51413395), (55, 23369725), (97, 13250875), (115, 11176825), (125, 10282679), (253, 5080375), (275, 4673945), (419, 3067625), (485, 2650175), (575, 2235365), (1067, 1204625), (1265, 1016075), (1375, 934789), (2095, 613525), (2231, 576125), (2425, 530035), (2875, 447073), (4609, 278875), (5335, 240925), (6325, 203215), (9637, 133375), (10475, 122705), (11155, 115225), (12125, 106007), (23045, 55775), (24541, 52375), (26675, 48185), (31625, 40643)]