2019861820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 4464331200

約数和(自身を除く): 2444469380

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 139, 146, 148, 185, 269, 278, 292, 365, 370, 538, 556, 695, 730, 740, 1076, 1345, 1390, 1460, 2690, 2701, 2780, 5143, 5380, 5402, 9953, 10147, 10286, 10804, 13505, 19637, 19906, 20294, 20572, 25715, 27010, 37391, 39274, 39812, 40588, 49765, 50735, 51430, 54020, 74782, 78548, 98185, 99530, 101470, 102860, 149564, 186955, 196370, 199060, 202940, 373910, 375439, 392740, 726569, 747820, 750878, 1383467, 1453138, 1501756, 1877195, 2729543, 2766934, 2906276, 3632845, 3754390, 5459086, 5533868, 6917335, 7265690, 7508780, 10918172, 13647715, 13834670, 14531380, 27295430, 27669340, 54590860, 100993091, 201986182, 403972364, 504965455, 1009930910, 2019861820]

約数ペア:

[(1, 2019861820), (2, 1009930910), (4, 504965455), (5, 403972364), (10, 201986182), (20, 100993091), (37, 54590860), (73, 27669340), (74, 27295430), (139, 14531380), (146, 13834670), (148, 13647715), (185, 10918172), (269, 7508780), (278, 7265690), (292, 6917335), (365, 5533868), (370, 5459086), (538, 3754390), (556, 3632845), (695, 2906276), (730, 2766934), (740, 2729543), (1076, 1877195), (1345, 1501756), (1390, 1453138), (1460, 1383467), (2690, 750878), (2701, 747820), (2780, 726569), (5143, 392740), (5380, 375439), (5402, 373910), (9953, 202940), (10147, 199060), (10286, 196370), (10804, 186955), (13505, 149564), (19637, 102860), (19906, 101470), (20294, 99530), (20572, 98185), (25715, 78548), (27010, 74782), (37391, 54020), (39274, 51430), (39812, 50735), (40588, 49765)]