219738428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 492602880

約数和(自身を除く): 272864452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 101, 139, 172, 182, 202, 278, 301, 364, 404, 556, 559, 602, 707, 973, 1118, 1204, 1313, 1414, 1807, 1946, 2236, 2626, 2828, 3614, 3892, 3913, 4343, 5252, 5977, 7228, 7826, 8686, 9191, 11954, 12649, 14039, 15652, 17372, 18382, 23908, 25298, 28078, 30401, 36764, 41839, 50596, 56156, 56459, 60802, 77701, 83678, 98273, 112918, 121604, 155402, 167356, 182507, 196546, 225836, 310804, 365014, 393092, 395213, 543907, 603677, 730028, 790426, 1087814, 1207354, 1277549, 1580852, 2175628, 2414708, 2555098, 4225739, 5110196, 7847801, 8451478, 15695602, 16902956, 31391204, 54934607, 109869214, 219738428]

約数ペア:

[(1, 219738428), (2, 109869214), (4, 54934607), (7, 31391204), (13, 16902956), (14, 15695602), (26, 8451478), (28, 7847801), (43, 5110196), (52, 4225739), (86, 2555098), (91, 2414708), (101, 2175628), (139, 1580852), (172, 1277549), (182, 1207354), (202, 1087814), (278, 790426), (301, 730028), (364, 603677), (404, 543907), (556, 395213), (559, 393092), (602, 365014), (707, 310804), (973, 225836), (1118, 196546), (1204, 182507), (1313, 167356), (1414, 155402), (1807, 121604), (1946, 112918), (2236, 98273), (2626, 83678), (2828, 77701), (3614, 60802), (3892, 56459), (3913, 56156), (4343, 50596), (5252, 41839), (5977, 36764), (7228, 30401), (7826, 28078), (8686, 25298), (9191, 23908), (11954, 18382), (12649, 17372), (14039, 15652)]