84048020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1663}}^1$

素因数の和:1717

約数の個数: 72

約数和(自身を含む): 213018624

約数和(自身を除く): 128970604

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1330, 1444, 1663, 1805, 2527, 2660, 3326, 3610, 5054, 6652, 7220, 8315, 10108, 11641, 12635, 16630, 23282, 25270, 31597, 33260, 46564, 50540, 58205, 63194, 116410, 126388, 157985, 221179, 232820, 315970, 442358, 600343, 631940, 884716, 1105895, 1200686, 2211790, 2401372, 3001715, 4202401, 4423580, 6003430, 8404802, 12006860, 16809604, 21012005, 42024010, 84048020]

約数ペア:

[(1, 84048020), (2, 42024010), (4, 21012005), (5, 16809604), (7, 12006860), (10, 8404802), (14, 6003430), (19, 4423580), (20, 4202401), (28, 3001715), (35, 2401372), (38, 2211790), (70, 1200686), (76, 1105895), (95, 884716), (133, 631940), (140, 600343), (190, 442358), (266, 315970), (361, 232820), (380, 221179), (532, 157985), (665, 126388), (722, 116410), (1330, 63194), (1444, 58205), (1663, 50540), (1805, 46564), (2527, 33260), (2660, 31597), (3326, 25270), (3610, 23282), (5054, 16630), (6652, 12635), (7220, 11641), (8315, 10108)]