31016500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 74299680

約数和(自身を除く): 43283180

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 41, 50, 68, 82, 85, 89, 100, 125, 164, 170, 178, 205, 250, 340, 356, 410, 425, 445, 500, 697, 820, 850, 890, 1025, 1394, 1513, 1700, 1780, 2050, 2125, 2225, 2788, 3026, 3485, 3649, 4100, 4250, 4450, 5125, 6052, 6970, 7298, 7565, 8500, 8900, 10250, 11125, 13940, 14596, 15130, 17425, 18245, 20500, 22250, 30260, 34850, 36490, 37825, 44500, 62033, 69700, 72980, 75650, 87125, 91225, 124066, 151300, 174250, 182450, 189125, 248132, 310165, 348500, 364900, 378250, 456125, 620330, 756500, 912250, 1240660, 1550825, 1824500, 3101650, 6203300, 7754125, 15508250, 31016500]

約数ペア:

[(1, 31016500), (2, 15508250), (4, 7754125), (5, 6203300), (10, 3101650), (17, 1824500), (20, 1550825), (25, 1240660), (34, 912250), (41, 756500), (50, 620330), (68, 456125), (82, 378250), (85, 364900), (89, 348500), (100, 310165), (125, 248132), (164, 189125), (170, 182450), (178, 174250), (205, 151300), (250, 124066), (340, 91225), (356, 87125), (410, 75650), (425, 72980), (445, 69700), (500, 62033), (697, 44500), (820, 37825), (850, 36490), (890, 34850), (1025, 30260), (1394, 22250), (1513, 20500), (1700, 18245), (1780, 17425), (2050, 15130), (2125, 14596), (2225, 13940), (2788, 11125), (3026, 10250), (3485, 8900), (3649, 8500), (4100, 7565), (4250, 7298), (4450, 6970), (5125, 6052)]