211217440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:987

約数の個数: 144

約数和(自身を含む): 601133400

約数和(自身を除く): 389915960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 784, 812, 928, 929, 980, 1015, 1120, 1160, 1421, 1568, 1624, 1858, 1960, 2030, 2320, 2842, 3248, 3716, 3920, 4060, 4640, 4645, 5684, 6496, 6503, 7105, 7432, 7840, 8120, 9290, 11368, 13006, 14210, 14864, 16240, 18580, 22736, 26012, 26941, 28420, 29728, 32480, 32515, 37160, 45472, 45521, 52024, 53882, 56840, 65030, 74320, 91042, 104048, 107764, 113680, 130060, 134705, 148640, 182084, 188587, 208096, 215528, 227360, 227605, 260120, 269410, 364168, 377174, 431056, 455210, 520240, 538820, 728336, 754348, 862112, 910420, 942935, 1040480, 1077640, 1320109, 1456672, 1508696, 1820840, 1885870, 2155280, 2640218, 3017392, 3641680, 3771740, 4310560, 5280436, 6034784, 6600545, 7283360, 7543480, 10560872, 13201090, 15086960, 21121744, 26402180, 30173920, 42243488, 52804360, 105608720, 211217440]

約数ペア:

[(1, 211217440), (2, 105608720), (4, 52804360), (5, 42243488), (7, 30173920), (8, 26402180), (10, 21121744), (14, 15086960), (16, 13201090), (20, 10560872), (28, 7543480), (29, 7283360), (32, 6600545), (35, 6034784), (40, 5280436), (49, 4310560), (56, 3771740), (58, 3641680), (70, 3017392), (80, 2640218), (98, 2155280), (112, 1885870), (116, 1820840), (140, 1508696), (145, 1456672), (160, 1320109), (196, 1077640), (203, 1040480), (224, 942935), (232, 910420), (245, 862112), (280, 754348), (290, 728336), (392, 538820), (406, 520240), (464, 455210), (490, 431056), (560, 377174), (580, 364168), (784, 269410), (812, 260120), (928, 227605), (929, 227360), (980, 215528), (1015, 208096), (1120, 188587), (1160, 182084), (1421, 148640), (1568, 134705), (1624, 130060), (1858, 113680), (1960, 107764), (2030, 104048), (2320, 91042), (2842, 74320), (3248, 65030), (3716, 56840), (3920, 53882), (4060, 52024), (4640, 45521), (4645, 45472), (5684, 37160), (6496, 32515), (6503, 32480), (7105, 29728), (7432, 28420), (7840, 26941), (8120, 26012), (9290, 22736), (11368, 18580), (13006, 16240), (14210, 14864)]