1949968240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{18313}}^1$

素因数の和:18359

約数の個数: 80

約数和(自身を含む): 4986975456

約数和(自身を除く): 3037007216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1331, 1936, 2420, 2662, 4840, 5324, 6655, 9680, 10648, 13310, 18313, 21296, 26620, 36626, 53240, 73252, 91565, 106480, 146504, 183130, 201443, 293008, 366260, 402886, 732520, 805772, 1007215, 1465040, 1611544, 2014430, 2215873, 3223088, 4028860, 4431746, 8057720, 8863492, 11079365, 16115440, 17726984, 22158730, 24374603, 35453968, 44317460, 48749206, 88634920, 97498412, 121873015, 177269840, 194996824, 243746030, 389993648, 487492060, 974984120, 1949968240]

約数ペア:

[(1, 1949968240), (2, 974984120), (4, 487492060), (5, 389993648), (8, 243746030), (10, 194996824), (11, 177269840), (16, 121873015), (20, 97498412), (22, 88634920), (40, 48749206), (44, 44317460), (55, 35453968), (80, 24374603), (88, 22158730), (110, 17726984), (121, 16115440), (176, 11079365), (220, 8863492), (242, 8057720), (440, 4431746), (484, 4028860), (605, 3223088), (880, 2215873), (968, 2014430), (1210, 1611544), (1331, 1465040), (1936, 1007215), (2420, 805772), (2662, 732520), (4840, 402886), (5324, 366260), (6655, 293008), (9680, 201443), (10648, 183130), (13310, 146504), (18313, 106480), (21296, 91565), (26620, 73252), (36626, 53240)]