1992088900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{4903}}^1$

素因数の和:5173

約数の個数: 72

約数和(自身を含む): 4597205760

約数和(自身を除く): 2605116860

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 239, 340, 425, 478, 850, 956, 1195, 1700, 2390, 4063, 4780, 4903, 5975, 8126, 9806, 11950, 16252, 19612, 20315, 23900, 24515, 40630, 49030, 81260, 83351, 98060, 101575, 122575, 166702, 203150, 245150, 333404, 406300, 416755, 490300, 833510, 1171817, 1667020, 2083775, 2343634, 4167550, 4687268, 5859085, 8335100, 11718170, 19920889, 23436340, 29295425, 39841778, 58590850, 79683556, 99604445, 117181700, 199208890, 398417780, 498022225, 996044450, 1992088900]

約数ペア:

[(1, 1992088900), (2, 996044450), (4, 498022225), (5, 398417780), (10, 199208890), (17, 117181700), (20, 99604445), (25, 79683556), (34, 58590850), (50, 39841778), (68, 29295425), (85, 23436340), (100, 19920889), (170, 11718170), (239, 8335100), (340, 5859085), (425, 4687268), (478, 4167550), (850, 2343634), (956, 2083775), (1195, 1667020), (1700, 1171817), (2390, 833510), (4063, 490300), (4780, 416755), (4903, 406300), (5975, 333404), (8126, 245150), (9806, 203150), (11950, 166702), (16252, 122575), (19612, 101575), (20315, 98060), (23900, 83351), (24515, 81260), (40630, 49030)]