888958740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{644173}}^1$

素因数の和:644208

約数の個数: 48

約数和(自身を含む): 2597309568

約数和(自身を除く): 1708350828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 644173, 1288346, 1932519, 2576692, 3220865, 3865038, 6441730, 7730076, 9662595, 12883460, 14815979, 19325190, 29631958, 38650380, 44447937, 59263916, 74079895, 88895874, 148159790, 177791748, 222239685, 296319580, 444479370, 888958740]

約数ペア:

[(1, 888958740), (2, 444479370), (3, 296319580), (4, 222239685), (5, 177791748), (6, 148159790), (10, 88895874), (12, 74079895), (15, 59263916), (20, 44447937), (23, 38650380), (30, 29631958), (46, 19325190), (60, 14815979), (69, 12883460), (92, 9662595), (115, 7730076), (138, 6441730), (230, 3865038), (276, 3220865), (345, 2576692), (460, 1932519), (690, 1288346), (1380, 644173)]