77893340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1387

約数の個数: 72

約数和(自身を含む): 193550112

約数和(自身を除く): 115656772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1220, 1303, 1708, 2135, 2606, 2989, 4270, 5212, 5978, 6515, 8540, 9121, 11956, 13030, 14945, 18242, 26060, 29890, 36484, 45605, 59780, 63847, 79483, 91210, 127694, 158966, 182420, 255388, 317932, 319235, 397415, 556381, 638470, 794830, 1112762, 1276940, 1589660, 2225524, 2781905, 3894667, 5563810, 7789334, 11127620, 15578668, 19473335, 38946670, 77893340]

約数ペア:

[(1, 77893340), (2, 38946670), (4, 19473335), (5, 15578668), (7, 11127620), (10, 7789334), (14, 5563810), (20, 3894667), (28, 2781905), (35, 2225524), (49, 1589660), (61, 1276940), (70, 1112762), (98, 794830), (122, 638470), (140, 556381), (196, 397415), (244, 319235), (245, 317932), (305, 255388), (427, 182420), (490, 158966), (610, 127694), (854, 91210), (980, 79483), (1220, 63847), (1303, 59780), (1708, 45605), (2135, 36484), (2606, 29890), (2989, 26060), (4270, 18242), (5212, 14945), (5978, 13030), (6515, 11956), (8540, 9121)]