78315860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 194933760

約数和(自身を除く): 116617900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 79, 97, 140, 146, 158, 194, 292, 316, 365, 388, 395, 485, 511, 553, 679, 730, 790, 970, 1022, 1106, 1358, 1460, 1580, 1940, 2044, 2212, 2555, 2716, 2765, 3395, 5110, 5530, 5767, 6790, 7081, 7663, 10220, 11060, 11534, 13580, 14162, 15326, 23068, 28324, 28835, 30652, 35405, 38315, 40369, 49567, 53641, 57670, 70810, 76630, 80738, 99134, 107282, 115340, 141620, 153260, 161476, 198268, 201845, 214564, 247835, 268205, 403690, 495670, 536410, 559399, 807380, 991340, 1072820, 1118798, 2237596, 2796995, 3915793, 5593990, 7831586, 11187980, 15663172, 19578965, 39157930, 78315860]

約数ペア:

[(1, 78315860), (2, 39157930), (4, 19578965), (5, 15663172), (7, 11187980), (10, 7831586), (14, 5593990), (20, 3915793), (28, 2796995), (35, 2237596), (70, 1118798), (73, 1072820), (79, 991340), (97, 807380), (140, 559399), (146, 536410), (158, 495670), (194, 403690), (292, 268205), (316, 247835), (365, 214564), (388, 201845), (395, 198268), (485, 161476), (511, 153260), (553, 141620), (679, 115340), (730, 107282), (790, 99134), (970, 80738), (1022, 76630), (1106, 70810), (1358, 57670), (1460, 53641), (1580, 49567), (1940, 40369), (2044, 38315), (2212, 35405), (2555, 30652), (2716, 28835), (2765, 28324), (3395, 23068), (5110, 15326), (5530, 14162), (5767, 13580), (6790, 11534), (7081, 11060), (7663, 10220)]