78913100

素因数分解:

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

素因数の和:1527

約数の個数: 72

約数和(自身を含む): 198320640

約数和(自身を除く): 119407540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 350, 395, 553, 700, 790, 1106, 1427, 1580, 1975, 2212, 2765, 2854, 3950, 5530, 5708, 7135, 7900, 9989, 11060, 13825, 14270, 19978, 27650, 28540, 35675, 39956, 49945, 55300, 71350, 99890, 112733, 142700, 199780, 225466, 249725, 450932, 499450, 563665, 789131, 998900, 1127330, 1578262, 2254660, 2818325, 3156524, 3945655, 5636650, 7891310, 11273300, 15782620, 19728275, 39456550, 78913100]

約数ペア:

[(1, 78913100), (2, 39456550), (4, 19728275), (5, 15782620), (7, 11273300), (10, 7891310), (14, 5636650), (20, 3945655), (25, 3156524), (28, 2818325), (35, 2254660), (50, 1578262), (70, 1127330), (79, 998900), (100, 789131), (140, 563665), (158, 499450), (175, 450932), (316, 249725), (350, 225466), (395, 199780), (553, 142700), (700, 112733), (790, 99890), (1106, 71350), (1427, 55300), (1580, 49945), (1975, 39956), (2212, 35675), (2765, 28540), (2854, 27650), (3950, 19978), (5530, 14270), (5708, 13825), (7135, 11060), (7900, 9989)]