214484660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 531256320

約数和(自身を除く): 316771660

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 62, 65, 89, 92, 115, 124, 130, 155, 169, 178, 230, 260, 299, 310, 338, 356, 403, 445, 460, 598, 620, 676, 713, 806, 845, 890, 1157, 1196, 1426, 1495, 1612, 1690, 1780, 2015, 2047, 2314, 2759, 2852, 2990, 3380, 3565, 3887, 4030, 4094, 4628, 5239, 5518, 5785, 5980, 7130, 7774, 8060, 8188, 9269, 10235, 10478, 11036, 11570, 13795, 14260, 15041, 15548, 18538, 19435, 20470, 20956, 23140, 26195, 26611, 27590, 30082, 35867, 37076, 38870, 40940, 46345, 52390, 53222, 55180, 60164, 63457, 71734, 75205, 77740, 92690, 104780, 106444, 120497, 126914, 133055, 143468, 150410, 179335, 185380, 240994, 253828, 266110, 300820, 317285, 345943, 358670, 466271, 481988, 532220, 602485, 634570, 691886, 717340, 824941, 932542, 1204970, 1269140, 1383772, 1649882, 1729715, 1865084, 2331355, 2409940, 3299764, 3459430, 4124705, 4662710, 6918860, 8249410, 9325420, 10724233, 16498820, 21448466, 42896932, 53621165, 107242330, 214484660]

約数ペア:

[(1, 214484660), (2, 107242330), (4, 53621165), (5, 42896932), (10, 21448466), (13, 16498820), (20, 10724233), (23, 9325420), (26, 8249410), (31, 6918860), (46, 4662710), (52, 4124705), (62, 3459430), (65, 3299764), (89, 2409940), (92, 2331355), (115, 1865084), (124, 1729715), (130, 1649882), (155, 1383772), (169, 1269140), (178, 1204970), (230, 932542), (260, 824941), (299, 717340), (310, 691886), (338, 634570), (356, 602485), (403, 532220), (445, 481988), (460, 466271), (598, 358670), (620, 345943), (676, 317285), (713, 300820), (806, 266110), (845, 253828), (890, 240994), (1157, 185380), (1196, 179335), (1426, 150410), (1495, 143468), (1612, 133055), (1690, 126914), (1780, 120497), (2015, 106444), (2047, 104780), (2314, 92690), (2759, 77740), (2852, 75205), (2990, 71734), (3380, 63457), (3565, 60164), (3887, 55180), (4030, 53222), (4094, 52390), (4628, 46345), (5239, 40940), (5518, 38870), (5785, 37076), (5980, 35867), (7130, 30082), (7774, 27590), (8060, 26611), (8188, 26195), (9269, 23140), (10235, 20956), (10478, 20470), (11036, 19435), (11570, 18538), (13795, 15548), (14260, 15041)]