202317890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 406563840

約数和(自身を除く): 204245950

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 67, 95, 115, 134, 190, 230, 335, 437, 670, 691, 874, 1273, 1382, 1541, 2185, 2546, 3082, 3455, 4370, 6365, 6910, 7705, 12730, 13129, 15410, 15893, 26258, 29279, 31786, 46297, 58558, 65645, 79465, 92594, 131290, 146395, 158930, 231485, 292790, 301967, 462970, 603934, 879643, 1064831, 1509835, 1759286, 2129662, 3019670, 4398215, 5324155, 8796430, 10648310, 20231789, 40463578, 101158945, 202317890]

約数ペア:

[(1, 202317890), (2, 101158945), (5, 40463578), (10, 20231789), (19, 10648310), (23, 8796430), (38, 5324155), (46, 4398215), (67, 3019670), (95, 2129662), (115, 1759286), (134, 1509835), (190, 1064831), (230, 879643), (335, 603934), (437, 462970), (670, 301967), (691, 292790), (874, 231485), (1273, 158930), (1382, 146395), (1541, 131290), (2185, 92594), (2546, 79465), (3082, 65645), (3455, 58558), (4370, 46297), (6365, 31786), (6910, 29279), (7705, 26258), (12730, 15893), (13129, 15410)]