1230288895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 1781481600

約数和(自身を除く): 551192705

約数列:

[1, 5, 11, 17, 29, 55, 85, 145, 157, 187, 289, 319, 493, 785, 935, 1445, 1595, 1727, 2465, 2669, 3179, 4553, 4913, 5423, 8381, 8635, 13345, 15895, 22765, 24565, 27115, 29359, 41905, 45373, 50083, 54043, 77401, 92191, 142477, 146795, 226865, 250415, 270215, 387005, 460955, 499103, 712385, 771341, 851411, 1315817, 1567247, 2495515, 3856705, 4257055, 6579085, 7836235, 8484751, 14473987, 22368889, 42423755, 72369935, 111844445, 246057779, 1230288895]

約数ペア:

[(1, 1230288895), (5, 246057779), (11, 111844445), (17, 72369935), (29, 42423755), (55, 22368889), (85, 14473987), (145, 8484751), (157, 7836235), (187, 6579085), (289, 4257055), (319, 3856705), (493, 2495515), (785, 1567247), (935, 1315817), (1445, 851411), (1595, 771341), (1727, 712385), (2465, 499103), (2669, 460955), (3179, 387005), (4553, 270215), (4913, 250415), (5423, 226865), (8381, 146795), (8635, 142477), (13345, 92191), (15895, 77401), (22765, 54043), (24565, 50083), (27115, 45373), (29359, 41905)]