416008840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 1053803520

約数和(自身を除く): 637794680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 131, 155, 197, 248, 260, 262, 310, 394, 403, 520, 524, 620, 655, 788, 806, 985, 1048, 1240, 1310, 1576, 1612, 1703, 1970, 2015, 2561, 2620, 3224, 3406, 3940, 4030, 4061, 5122, 5240, 6107, 6812, 7880, 8060, 8122, 8515, 10244, 12214, 12805, 13624, 16120, 16244, 17030, 20305, 20488, 24428, 25610, 25807, 30535, 32488, 34060, 40610, 48856, 51220, 51614, 52793, 61070, 68120, 79391, 81220, 102440, 103228, 105586, 122140, 129035, 158782, 162440, 206456, 211172, 244280, 258070, 263965, 317564, 335491, 396955, 422344, 516140, 527930, 635128, 670982, 793910, 800017, 1032280, 1055860, 1341964, 1587820, 1600034, 1677455, 2111720, 2683928, 3175640, 3200068, 3354910, 4000085, 6400136, 6709820, 8000170, 10400221, 13419640, 16000340, 20800442, 32000680, 41600884, 52001105, 83201768, 104002210, 208004420, 416008840]

約数ペア:

[(1, 416008840), (2, 208004420), (4, 104002210), (5, 83201768), (8, 52001105), (10, 41600884), (13, 32000680), (20, 20800442), (26, 16000340), (31, 13419640), (40, 10400221), (52, 8000170), (62, 6709820), (65, 6400136), (104, 4000085), (124, 3354910), (130, 3200068), (131, 3175640), (155, 2683928), (197, 2111720), (248, 1677455), (260, 1600034), (262, 1587820), (310, 1341964), (394, 1055860), (403, 1032280), (520, 800017), (524, 793910), (620, 670982), (655, 635128), (788, 527930), (806, 516140), (985, 422344), (1048, 396955), (1240, 335491), (1310, 317564), (1576, 263965), (1612, 258070), (1703, 244280), (1970, 211172), (2015, 206456), (2561, 162440), (2620, 158782), (3224, 129035), (3406, 122140), (3940, 105586), (4030, 103228), (4061, 102440), (5122, 81220), (5240, 79391), (6107, 68120), (6812, 61070), (7880, 52793), (8060, 51614), (8122, 51220), (8515, 48856), (10244, 40610), (12214, 34060), (12805, 32488), (13624, 30535), (16120, 25807), (16244, 25610), (17030, 24428), (20305, 20488)]