20563534900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{5119}}^1$

素因数の和:5306

約数の個数: 108

約数和(自身を含む): 47752499200

約数和(自身を除く): 27188964300

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 139, 170, 278, 289, 340, 425, 556, 578, 695, 850, 1156, 1390, 1445, 1700, 2363, 2780, 2890, 3475, 4726, 5119, 5780, 6950, 7225, 9452, 10238, 11815, 13900, 14450, 20476, 23630, 25595, 28900, 40171, 47260, 51190, 59075, 80342, 87023, 102380, 118150, 127975, 160684, 174046, 200855, 236300, 255950, 348092, 401710, 435115, 511900, 711541, 803420, 870230, 1004275, 1423082, 1479391, 1740460, 2008550, 2175575, 2846164, 2958782, 3557705, 4017100, 4351150, 5917564, 7115410, 7396955, 8702300, 12096197, 14230820, 14793910, 17788525, 24192394, 29587820, 35577050, 36984775, 48384788, 60480985, 71154100, 73969550, 120961970, 147939100, 205635349, 241923940, 302404925, 411270698, 604809850, 822541396, 1028176745, 1209619700, 2056353490, 4112706980, 5140883725, 10281767450, 20563534900]

約数ペア:

[(1, 20563534900), (2, 10281767450), (4, 5140883725), (5, 4112706980), (10, 2056353490), (17, 1209619700), (20, 1028176745), (25, 822541396), (34, 604809850), (50, 411270698), (68, 302404925), (85, 241923940), (100, 205635349), (139, 147939100), (170, 120961970), (278, 73969550), (289, 71154100), (340, 60480985), (425, 48384788), (556, 36984775), (578, 35577050), (695, 29587820), (850, 24192394), (1156, 17788525), (1390, 14793910), (1445, 14230820), (1700, 12096197), (2363, 8702300), (2780, 7396955), (2890, 7115410), (3475, 5917564), (4726, 4351150), (5119, 4017100), (5780, 3557705), (6950, 2958782), (7225, 2846164), (9452, 2175575), (10238, 2008550), (11815, 1740460), (13900, 1479391), (14450, 1423082), (20476, 1004275), (23630, 870230), (25595, 803420), (28900, 711541), (40171, 511900), (47260, 435115), (51190, 401710), (59075, 348092), (80342, 255950), (87023, 236300), (102380, 200855), (118150, 174046), (127975, 160684)]