198210650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 452247840

約数和(自身を除く): 254037190

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 29, 34, 43, 50, 55, 58, 85, 86, 110, 145, 170, 187, 215, 275, 289, 290, 319, 374, 425, 430, 473, 493, 550, 578, 638, 725, 731, 850, 935, 946, 986, 1075, 1247, 1445, 1450, 1462, 1595, 1870, 2150, 2365, 2465, 2494, 2890, 3179, 3190, 3655, 4675, 4730, 4930, 5423, 6235, 6358, 7225, 7310, 7975, 8041, 8381, 9350, 10846, 11825, 12325, 12427, 12470, 13717, 14450, 15895, 15950, 16082, 16762, 18275, 21199, 23650, 24650, 24854, 27115, 27434, 31175, 31790, 36550, 40205, 41905, 42398, 54230, 62135, 62350, 68585, 79475, 80410, 83810, 92191, 105995, 124270, 135575, 136697, 137170, 158950, 184382, 201025, 209525, 211990, 233189, 271150, 273394, 310675, 342925, 360383, 402050, 419050, 460955, 466378, 529975, 621350, 683485, 685850, 720766, 921910, 1059950, 1165945, 1366970, 1801915, 2304775, 2331890, 3417425, 3603830, 3964213, 4609550, 5829725, 6834850, 7928426, 9009575, 11659450, 18019150, 19821065, 39642130, 99105325, 198210650]

約数ペア:

[(1, 198210650), (2, 99105325), (5, 39642130), (10, 19821065), (11, 18019150), (17, 11659450), (22, 9009575), (25, 7928426), (29, 6834850), (34, 5829725), (43, 4609550), (50, 3964213), (55, 3603830), (58, 3417425), (85, 2331890), (86, 2304775), (110, 1801915), (145, 1366970), (170, 1165945), (187, 1059950), (215, 921910), (275, 720766), (289, 685850), (290, 683485), (319, 621350), (374, 529975), (425, 466378), (430, 460955), (473, 419050), (493, 402050), (550, 360383), (578, 342925), (638, 310675), (725, 273394), (731, 271150), (850, 233189), (935, 211990), (946, 209525), (986, 201025), (1075, 184382), (1247, 158950), (1445, 137170), (1450, 136697), (1462, 135575), (1595, 124270), (1870, 105995), (2150, 92191), (2365, 83810), (2465, 80410), (2494, 79475), (2890, 68585), (3179, 62350), (3190, 62135), (3655, 54230), (4675, 42398), (4730, 41905), (4930, 40205), (5423, 36550), (6235, 31790), (6358, 31175), (7225, 27434), (7310, 27115), (7975, 24854), (8041, 24650), (8381, 23650), (9350, 21199), (10846, 18275), (11825, 16762), (12325, 16082), (12427, 15950), (12470, 15895), (13717, 14450)]