131799640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27689}}^1$

素因数の和:27724

約数の個数: 64

約数和(自身を含む): 358862400

約数和(自身を除く): 227062760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 27689, 55378, 110756, 138445, 193823, 221512, 276890, 387646, 470713, 553780, 775292, 941426, 969115, 1107560, 1550584, 1882852, 1938230, 2353565, 3294991, 3765704, 3876460, 4707130, 6589982, 7752920, 9414260, 13179964, 16474955, 18828520, 26359928, 32949910, 65899820, 131799640]

約数ペア:

[(1, 131799640), (2, 65899820), (4, 32949910), (5, 26359928), (7, 18828520), (8, 16474955), (10, 13179964), (14, 9414260), (17, 7752920), (20, 6589982), (28, 4707130), (34, 3876460), (35, 3765704), (40, 3294991), (56, 2353565), (68, 1938230), (70, 1882852), (85, 1550584), (119, 1107560), (136, 969115), (140, 941426), (170, 775292), (238, 553780), (280, 470713), (340, 387646), (476, 276890), (595, 221512), (680, 193823), (952, 138445), (1190, 110756), (2380, 55378), (4760, 27689)]