138215440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9239}}^1$

素因数の和:9280

約数の個数: 80

約数和(自身を含む): 371226240

約数和(自身を除く): 233010800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 9239, 14960, 18478, 36956, 46195, 73912, 92390, 101629, 147824, 157063, 184780, 203258, 314126, 369560, 406516, 508145, 628252, 739120, 785315, 813032, 1016290, 1256504, 1570630, 1626064, 1727693, 2032580, 2513008, 3141260, 3455386, 4065160, 6282520, 6910772, 8130320, 8638465, 12565040, 13821544, 17276930, 27643088, 34553860, 69107720, 138215440]

約数ペア:

[(1, 138215440), (2, 69107720), (4, 34553860), (5, 27643088), (8, 17276930), (10, 13821544), (11, 12565040), (16, 8638465), (17, 8130320), (20, 6910772), (22, 6282520), (34, 4065160), (40, 3455386), (44, 3141260), (55, 2513008), (68, 2032580), (80, 1727693), (85, 1626064), (88, 1570630), (110, 1256504), (136, 1016290), (170, 813032), (176, 785315), (187, 739120), (220, 628252), (272, 508145), (340, 406516), (374, 369560), (440, 314126), (680, 203258), (748, 184780), (880, 157063), (935, 147824), (1360, 101629), (1496, 92390), (1870, 73912), (2992, 46195), (3740, 36956), (7480, 18478), (9239, 14960)]