28412440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 79626240

約数和(自身を除く): 51213800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 47, 56, 68, 70, 85, 94, 119, 127, 136, 140, 170, 188, 235, 238, 254, 280, 329, 340, 376, 470, 476, 508, 595, 635, 658, 680, 799, 889, 940, 952, 1016, 1190, 1270, 1316, 1598, 1645, 1778, 1880, 2159, 2380, 2540, 2632, 3196, 3290, 3556, 3995, 4318, 4445, 4760, 5080, 5593, 5969, 6392, 6580, 7112, 7990, 8636, 8890, 10795, 11186, 11938, 13160, 15113, 15980, 17272, 17780, 21590, 22372, 23876, 27965, 29845, 30226, 31960, 35560, 41783, 43180, 44744, 47752, 55930, 59690, 60452, 75565, 83566, 86360, 101473, 111860, 119380, 120904, 151130, 167132, 202946, 208915, 223720, 238760, 302260, 334264, 405892, 417830, 507365, 604520, 710311, 811784, 835660, 1014730, 1420622, 1671320, 2029460, 2841244, 3551555, 4058920, 5682488, 7103110, 14206220, 28412440]

約数ペア:

[(1, 28412440), (2, 14206220), (4, 7103110), (5, 5682488), (7, 4058920), (8, 3551555), (10, 2841244), (14, 2029460), (17, 1671320), (20, 1420622), (28, 1014730), (34, 835660), (35, 811784), (40, 710311), (47, 604520), (56, 507365), (68, 417830), (70, 405892), (85, 334264), (94, 302260), (119, 238760), (127, 223720), (136, 208915), (140, 202946), (170, 167132), (188, 151130), (235, 120904), (238, 119380), (254, 111860), (280, 101473), (329, 86360), (340, 83566), (376, 75565), (470, 60452), (476, 59690), (508, 55930), (595, 47752), (635, 44744), (658, 43180), (680, 41783), (799, 35560), (889, 31960), (940, 30226), (952, 29845), (1016, 27965), (1190, 23876), (1270, 22372), (1316, 21590), (1598, 17780), (1645, 17272), (1778, 15980), (1880, 15113), (2159, 13160), (2380, 11938), (2540, 11186), (2632, 10795), (3196, 8890), (3290, 8636), (3556, 7990), (3995, 7112), (4318, 6580), (4445, 6392), (4760, 5969), (5080, 5593)]