209574880

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 540509760

約数和(自身を除く): 330934880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 47, 58, 62, 80, 94, 116, 124, 145, 155, 160, 188, 232, 235, 248, 290, 310, 376, 464, 470, 496, 580, 620, 752, 899, 928, 940, 961, 992, 1160, 1240, 1363, 1457, 1504, 1798, 1880, 1922, 2320, 2480, 2726, 2914, 3596, 3760, 3844, 4495, 4640, 4805, 4960, 5452, 5828, 6815, 7192, 7285, 7520, 7688, 8990, 9610, 10904, 11656, 13630, 14384, 14570, 15376, 17980, 19220, 21808, 23312, 27260, 27869, 28768, 29140, 30752, 35960, 38440, 42253, 43616, 45167, 46624, 54520, 55738, 58280, 71920, 76880, 84506, 90334, 109040, 111476, 116560, 139345, 143840, 153760, 169012, 180668, 211265, 218080, 222952, 225835, 233120, 278690, 338024, 361336, 422530, 445904, 451670, 557380, 676048, 722672, 845060, 891808, 903340, 1114760, 1309843, 1352096, 1445344, 1690120, 1806680, 2229520, 2619686, 3380240, 3613360, 4459040, 5239372, 6549215, 6760480, 7226720, 10478744, 13098430, 20957488, 26196860, 41914976, 52393720, 104787440, 209574880]

約数ペア:

[(1, 209574880), (2, 104787440), (4, 52393720), (5, 41914976), (8, 26196860), (10, 20957488), (16, 13098430), (20, 10478744), (29, 7226720), (31, 6760480), (32, 6549215), (40, 5239372), (47, 4459040), (58, 3613360), (62, 3380240), (80, 2619686), (94, 2229520), (116, 1806680), (124, 1690120), (145, 1445344), (155, 1352096), (160, 1309843), (188, 1114760), (232, 903340), (235, 891808), (248, 845060), (290, 722672), (310, 676048), (376, 557380), (464, 451670), (470, 445904), (496, 422530), (580, 361336), (620, 338024), (752, 278690), (899, 233120), (928, 225835), (940, 222952), (961, 218080), (992, 211265), (1160, 180668), (1240, 169012), (1363, 153760), (1457, 143840), (1504, 139345), (1798, 116560), (1880, 111476), (1922, 109040), (2320, 90334), (2480, 84506), (2726, 76880), (2914, 71920), (3596, 58280), (3760, 55738), (3844, 54520), (4495, 46624), (4640, 45167), (4805, 43616), (4960, 42253), (5452, 38440), (5828, 35960), (6815, 30752), (7192, 29140), (7285, 28768), (7520, 27869), (7688, 27260), (8990, 23312), (9610, 21808), (10904, 19220), (11656, 17980), (13630, 15376), (14384, 14570)]