221374890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3923}}^1$

素因数の和:3969

約数の個数: 128

約数和(自身を含む): 678067200

約数和(自身を除く): 456692310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 45, 54, 55, 57, 66, 90, 95, 99, 110, 114, 135, 165, 171, 190, 198, 209, 270, 285, 297, 330, 342, 418, 495, 513, 570, 594, 627, 855, 990, 1026, 1045, 1254, 1485, 1710, 1881, 2090, 2565, 2970, 3135, 3762, 3923, 5130, 5643, 6270, 7846, 9405, 11286, 11769, 18810, 19615, 23538, 28215, 35307, 39230, 43153, 56430, 58845, 70614, 74537, 86306, 105921, 117690, 129459, 149074, 176535, 211842, 215765, 223611, 258918, 353070, 372685, 388377, 431530, 447222, 529605, 647295, 670833, 745370, 776754, 819907, 1059210, 1118055, 1165131, 1294590, 1341666, 1639814, 1941885, 2012499, 2236110, 2330262, 2459721, 3354165, 3883770, 4024998, 4099535, 4919442, 5825655, 6708330, 7379163, 8199070, 10062495, 11651310, 12298605, 14758326, 20124990, 22137489, 24597210, 36895815, 44274978, 73791630, 110687445, 221374890]

約数ペア:

[(1, 221374890), (2, 110687445), (3, 73791630), (5, 44274978), (6, 36895815), (9, 24597210), (10, 22137489), (11, 20124990), (15, 14758326), (18, 12298605), (19, 11651310), (22, 10062495), (27, 8199070), (30, 7379163), (33, 6708330), (38, 5825655), (45, 4919442), (54, 4099535), (55, 4024998), (57, 3883770), (66, 3354165), (90, 2459721), (95, 2330262), (99, 2236110), (110, 2012499), (114, 1941885), (135, 1639814), (165, 1341666), (171, 1294590), (190, 1165131), (198, 1118055), (209, 1059210), (270, 819907), (285, 776754), (297, 745370), (330, 670833), (342, 647295), (418, 529605), (495, 447222), (513, 431530), (570, 388377), (594, 372685), (627, 353070), (855, 258918), (990, 223611), (1026, 215765), (1045, 211842), (1254, 176535), (1485, 149074), (1710, 129459), (1881, 117690), (2090, 105921), (2565, 86306), (2970, 74537), (3135, 70614), (3762, 58845), (3923, 56430), (5130, 43153), (5643, 39230), (6270, 35307), (7846, 28215), (9405, 23538), (11286, 19615), (11769, 18810)]