51297820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 130636800

約数和(自身を除く): 79338980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 89, 92, 115, 140, 161, 178, 179, 230, 322, 356, 358, 445, 460, 623, 644, 716, 805, 890, 895, 1246, 1253, 1610, 1780, 1790, 2047, 2492, 2506, 3115, 3220, 3580, 4094, 4117, 5012, 6230, 6265, 8188, 8234, 10235, 12460, 12530, 14329, 15931, 16468, 20470, 20585, 25060, 28658, 28819, 31862, 40940, 41170, 57316, 57638, 63724, 71645, 79655, 82340, 111517, 115276, 143290, 144095, 159310, 223034, 286580, 288190, 318620, 366413, 446068, 557585, 576380, 732826, 1115170, 1465652, 1832065, 2230340, 2564891, 3664130, 5129782, 7328260, 10259564, 12824455, 25648910, 51297820]

約数ペア:

[(1, 51297820), (2, 25648910), (4, 12824455), (5, 10259564), (7, 7328260), (10, 5129782), (14, 3664130), (20, 2564891), (23, 2230340), (28, 1832065), (35, 1465652), (46, 1115170), (70, 732826), (89, 576380), (92, 557585), (115, 446068), (140, 366413), (161, 318620), (178, 288190), (179, 286580), (230, 223034), (322, 159310), (356, 144095), (358, 143290), (445, 115276), (460, 111517), (623, 82340), (644, 79655), (716, 71645), (805, 63724), (890, 57638), (895, 57316), (1246, 41170), (1253, 40940), (1610, 31862), (1780, 28819), (1790, 28658), (2047, 25060), (2492, 20585), (2506, 20470), (3115, 16468), (3220, 15931), (3580, 14329), (4094, 12530), (4117, 12460), (5012, 10235), (6230, 8234), (6265, 8188)]