17091990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{359}}^1$

素因数の和:418

約数の個数: 72

約数和(自身を含む): 46584720

約数和(自身を除く): 29492730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 359, 414, 529, 690, 718, 1035, 1058, 1077, 1587, 1795, 2070, 2154, 2645, 3174, 3231, 3590, 4761, 5290, 5385, 6462, 7935, 8257, 9522, 10770, 15870, 16155, 16514, 23805, 24771, 32310, 41285, 47610, 49542, 74313, 82570, 123855, 148626, 189911, 247710, 371565, 379822, 569733, 743130, 949555, 1139466, 1709199, 1899110, 2848665, 3418398, 5697330, 8545995, 17091990]

約数ペア:

[(1, 17091990), (2, 8545995), (3, 5697330), (5, 3418398), (6, 2848665), (9, 1899110), (10, 1709199), (15, 1139466), (18, 949555), (23, 743130), (30, 569733), (45, 379822), (46, 371565), (69, 247710), (90, 189911), (115, 148626), (138, 123855), (207, 82570), (230, 74313), (345, 49542), (359, 47610), (414, 41285), (529, 32310), (690, 24771), (718, 23805), (1035, 16514), (1058, 16155), (1077, 15870), (1587, 10770), (1795, 9522), (2070, 8257), (2154, 7935), (2645, 6462), (3174, 5385), (3231, 5290), (3590, 4761)]