78273100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1195

約数の個数: 72

約数和(自身を含む): 184394448

約数和(自身を除く): 106121348

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 41, 50, 68, 82, 85, 100, 164, 170, 205, 340, 410, 425, 697, 820, 850, 1025, 1123, 1394, 1700, 2050, 2246, 2788, 3485, 4100, 4492, 5615, 6970, 11230, 13940, 17425, 19091, 22460, 28075, 34850, 38182, 46043, 56150, 69700, 76364, 92086, 95455, 112300, 184172, 190910, 230215, 381820, 460430, 477275, 782731, 920860, 954550, 1151075, 1565462, 1909100, 2302150, 3130924, 3913655, 4604300, 7827310, 15654620, 19568275, 39136550, 78273100]

約数ペア:

[(1, 78273100), (2, 39136550), (4, 19568275), (5, 15654620), (10, 7827310), (17, 4604300), (20, 3913655), (25, 3130924), (34, 2302150), (41, 1909100), (50, 1565462), (68, 1151075), (82, 954550), (85, 920860), (100, 782731), (164, 477275), (170, 460430), (205, 381820), (340, 230215), (410, 190910), (425, 184172), (697, 112300), (820, 95455), (850, 92086), (1025, 76364), (1123, 69700), (1394, 56150), (1700, 46043), (2050, 38182), (2246, 34850), (2788, 28075), (3485, 22460), (4100, 19091), (4492, 17425), (5615, 13940), (6970, 11230)]