1995890490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{23173}}^1$

素因数の和:23229

約数の個数: 128

約数和(自身を含む): 6006700800

約数和(自身を除く): 4010810310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 29, 30, 33, 45, 54, 55, 58, 66, 87, 90, 99, 110, 135, 145, 165, 174, 198, 261, 270, 290, 297, 319, 330, 435, 495, 522, 594, 638, 783, 870, 957, 990, 1305, 1485, 1566, 1595, 1914, 2610, 2871, 2970, 3190, 3915, 4785, 5742, 7830, 8613, 9570, 14355, 17226, 23173, 28710, 43065, 46346, 69519, 86130, 115865, 139038, 208557, 231730, 254903, 347595, 417114, 509806, 625671, 672017, 695190, 764709, 1042785, 1251342, 1274515, 1344034, 1529418, 2016051, 2085570, 2294127, 2549030, 3128355, 3360085, 3823545, 4032102, 4588254, 6048153, 6256710, 6720170, 6882381, 7392187, 7647090, 10080255, 11470635, 12096306, 13764762, 14784374, 18144459, 20160510, 22176561, 22941270, 30240765, 34411905, 36288918, 36960935, 44353122, 60481530, 66529683, 68823810, 73921870, 90722295, 110882805, 133059366, 181444590, 199589049, 221765610, 332648415, 399178098, 665296830, 997945245, 1995890490]

約数ペア:

[(1, 1995890490), (2, 997945245), (3, 665296830), (5, 399178098), (6, 332648415), (9, 221765610), (10, 199589049), (11, 181444590), (15, 133059366), (18, 110882805), (22, 90722295), (27, 73921870), (29, 68823810), (30, 66529683), (33, 60481530), (45, 44353122), (54, 36960935), (55, 36288918), (58, 34411905), (66, 30240765), (87, 22941270), (90, 22176561), (99, 20160510), (110, 18144459), (135, 14784374), (145, 13764762), (165, 12096306), (174, 11470635), (198, 10080255), (261, 7647090), (270, 7392187), (290, 6882381), (297, 6720170), (319, 6256710), (330, 6048153), (435, 4588254), (495, 4032102), (522, 3823545), (594, 3360085), (638, 3128355), (783, 2549030), (870, 2294127), (957, 2085570), (990, 2016051), (1305, 1529418), (1485, 1344034), (1566, 1274515), (1595, 1251342), (1914, 1042785), (2610, 764709), (2871, 695190), (2970, 672017), (3190, 625671), (3915, 509806), (4785, 417114), (5742, 347595), (7830, 254903), (8613, 231730), (9570, 208557), (14355, 139038), (17226, 115865), (23173, 86130), (28710, 69519), (43065, 46346)]