2013299990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:286

約数の個数: 128

約数和(自身を含む): 4172636160

約数和(自身を除く): 2159336170

約数列:

[1, 2, 5, 10, 13, 26, 43, 47, 65, 79, 86, 94, 97, 130, 158, 194, 215, 235, 395, 430, 470, 485, 559, 611, 790, 970, 1027, 1118, 1222, 1261, 2021, 2054, 2522, 2795, 3055, 3397, 3713, 4042, 4171, 4559, 5135, 5590, 6110, 6305, 6794, 7426, 7663, 8342, 9118, 10105, 10270, 12610, 15326, 16985, 18565, 20210, 20855, 22795, 26273, 33970, 37130, 38315, 41710, 44161, 45590, 48269, 52546, 54223, 59267, 76630, 88322, 96538, 99619, 108446, 118534, 131365, 159659, 196037, 199238, 220805, 241345, 262730, 271115, 296335, 319318, 329509, 360161, 392074, 441610, 482690, 498095, 542230, 592670, 659018, 720322, 798295, 980185, 996190, 1596590, 1647545, 1800805, 1960370, 2075567, 2548481, 3295090, 3601610, 4151134, 4283617, 4682093, 5096962, 8567234, 9364186, 10377835, 12742405, 15486923, 20755670, 21418085, 23410465, 25484810, 30973846, 42836170, 46820930, 77434615, 154869230, 201329999, 402659998, 1006649995, 2013299990]

約数ペア:

[(1, 2013299990), (2, 1006649995), (5, 402659998), (10, 201329999), (13, 154869230), (26, 77434615), (43, 46820930), (47, 42836170), (65, 30973846), (79, 25484810), (86, 23410465), (94, 21418085), (97, 20755670), (130, 15486923), (158, 12742405), (194, 10377835), (215, 9364186), (235, 8567234), (395, 5096962), (430, 4682093), (470, 4283617), (485, 4151134), (559, 3601610), (611, 3295090), (790, 2548481), (970, 2075567), (1027, 1960370), (1118, 1800805), (1222, 1647545), (1261, 1596590), (2021, 996190), (2054, 980185), (2522, 798295), (2795, 720322), (3055, 659018), (3397, 592670), (3713, 542230), (4042, 498095), (4171, 482690), (4559, 441610), (5135, 392074), (5590, 360161), (6110, 329509), (6305, 319318), (6794, 296335), (7426, 271115), (7663, 262730), (8342, 241345), (9118, 220805), (10105, 199238), (10270, 196037), (12610, 159659), (15326, 131365), (16985, 118534), (18565, 108446), (20210, 99619), (20855, 96538), (22795, 88322), (26273, 76630), (33970, 59267), (37130, 54223), (38315, 52546), (41710, 48269), (44161, 45590)]