129198100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1283}}^1$

素因数の和:1369

約数の個数: 72

約数和(自身を含む): 300918240

約数和(自身を除く): 171720140

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 190, 212, 265, 380, 475, 530, 950, 1007, 1060, 1283, 1325, 1900, 2014, 2566, 2650, 4028, 5035, 5132, 5300, 6415, 10070, 12830, 20140, 24377, 25175, 25660, 32075, 48754, 50350, 64150, 67999, 97508, 100700, 121885, 128300, 135998, 243770, 271996, 339995, 487540, 609425, 679990, 1218850, 1291981, 1359980, 1699975, 2437700, 2583962, 3399950, 5167924, 6459905, 6799900, 12919810, 25839620, 32299525, 64599050, 129198100]

約数ペア:

[(1, 129198100), (2, 64599050), (4, 32299525), (5, 25839620), (10, 12919810), (19, 6799900), (20, 6459905), (25, 5167924), (38, 3399950), (50, 2583962), (53, 2437700), (76, 1699975), (95, 1359980), (100, 1291981), (106, 1218850), (190, 679990), (212, 609425), (265, 487540), (380, 339995), (475, 271996), (530, 243770), (950, 135998), (1007, 128300), (1060, 121885), (1283, 100700), (1325, 97508), (1900, 67999), (2014, 64150), (2566, 50350), (2650, 48754), (4028, 32075), (5035, 25660), (5132, 25175), (5300, 24377), (6415, 20140), (10070, 12830)]