201715880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 509133600

約数和(自身を除く): 307417720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 53, 58, 68, 85, 106, 116, 136, 145, 170, 193, 212, 232, 265, 290, 340, 386, 424, 493, 530, 580, 680, 772, 901, 965, 986, 1060, 1160, 1537, 1544, 1802, 1930, 1972, 2120, 2465, 3074, 3281, 3604, 3860, 3944, 4505, 4930, 5597, 6148, 6562, 7208, 7685, 7720, 9010, 9860, 10229, 11194, 12296, 13124, 15370, 16405, 18020, 19720, 20458, 22388, 26129, 26248, 27985, 30740, 32810, 36040, 40916, 44776, 51145, 52258, 55970, 61480, 65620, 81832, 95149, 102290, 104516, 111940, 130645, 131240, 173893, 190298, 204580, 209032, 223880, 261290, 296641, 347786, 380596, 409160, 475745, 522580, 593282, 695572, 761192, 869465, 951490, 1045160, 1186564, 1391144, 1483205, 1738930, 1902980, 2373128, 2966410, 3477860, 3805960, 5042897, 5932820, 6955720, 10085794, 11865640, 20171588, 25214485, 40343176, 50428970, 100857940, 201715880]

約数ペア:

[(1, 201715880), (2, 100857940), (4, 50428970), (5, 40343176), (8, 25214485), (10, 20171588), (17, 11865640), (20, 10085794), (29, 6955720), (34, 5932820), (40, 5042897), (53, 3805960), (58, 3477860), (68, 2966410), (85, 2373128), (106, 1902980), (116, 1738930), (136, 1483205), (145, 1391144), (170, 1186564), (193, 1045160), (212, 951490), (232, 869465), (265, 761192), (290, 695572), (340, 593282), (386, 522580), (424, 475745), (493, 409160), (530, 380596), (580, 347786), (680, 296641), (772, 261290), (901, 223880), (965, 209032), (986, 204580), (1060, 190298), (1160, 173893), (1537, 131240), (1544, 130645), (1802, 111940), (1930, 104516), (1972, 102290), (2120, 95149), (2465, 81832), (3074, 65620), (3281, 61480), (3604, 55970), (3860, 52258), (3944, 51145), (4505, 44776), (4930, 40916), (5597, 36040), (6148, 32810), (6562, 30740), (7208, 27985), (7685, 26248), (7720, 26129), (9010, 22388), (9860, 20458), (10229, 19720), (11194, 18020), (12296, 16405), (13124, 15370)]