394565500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1427}}^1$

素因数の和:1532

約数の個数: 96

約数和(自身を含む): 998000640

約数和(自身を除く): 603435140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 125, 140, 158, 175, 250, 316, 350, 395, 500, 553, 700, 790, 875, 1106, 1427, 1580, 1750, 1975, 2212, 2765, 2854, 3500, 3950, 5530, 5708, 7135, 7900, 9875, 9989, 11060, 13825, 14270, 19750, 19978, 27650, 28540, 35675, 39500, 39956, 49945, 55300, 69125, 71350, 99890, 112733, 138250, 142700, 178375, 199780, 225466, 249725, 276500, 356750, 450932, 499450, 563665, 713500, 789131, 998900, 1127330, 1248625, 1578262, 2254660, 2497250, 2818325, 3156524, 3945655, 4994500, 5636650, 7891310, 11273300, 14091625, 15782620, 19728275, 28183250, 39456550, 56366500, 78913100, 98641375, 197282750, 394565500]

約数ペア:

[(1, 394565500), (2, 197282750), (4, 98641375), (5, 78913100), (7, 56366500), (10, 39456550), (14, 28183250), (20, 19728275), (25, 15782620), (28, 14091625), (35, 11273300), (50, 7891310), (70, 5636650), (79, 4994500), (100, 3945655), (125, 3156524), (140, 2818325), (158, 2497250), (175, 2254660), (250, 1578262), (316, 1248625), (350, 1127330), (395, 998900), (500, 789131), (553, 713500), (700, 563665), (790, 499450), (875, 450932), (1106, 356750), (1427, 276500), (1580, 249725), (1750, 225466), (1975, 199780), (2212, 178375), (2765, 142700), (2854, 138250), (3500, 112733), (3950, 99890), (5530, 71350), (5708, 69125), (7135, 55300), (7900, 49945), (9875, 39956), (9989, 39500), (11060, 35675), (13825, 28540), (14270, 27650), (19750, 19978)]