199280740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^2$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 462732480

約数和(自身を除く): 263451740

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 151, 190, 230, 302, 380, 437, 460, 604, 755, 874, 1510, 1748, 2185, 2869, 3020, 3473, 4370, 5738, 6946, 8740, 11476, 13892, 14345, 17365, 22801, 28690, 34730, 45602, 57380, 65987, 69460, 91204, 114005, 131974, 228010, 263948, 329935, 433219, 456020, 524423, 659870, 866438, 1048846, 1319740, 1732876, 2097692, 2166095, 2622115, 4332190, 5244230, 8664380, 9964037, 10488460, 19928074, 39856148, 49820185, 99640370, 199280740]

約数ペア:

[(1, 199280740), (2, 99640370), (4, 49820185), (5, 39856148), (10, 19928074), (19, 10488460), (20, 9964037), (23, 8664380), (38, 5244230), (46, 4332190), (76, 2622115), (92, 2166095), (95, 2097692), (115, 1732876), (151, 1319740), (190, 1048846), (230, 866438), (302, 659870), (380, 524423), (437, 456020), (460, 433219), (604, 329935), (755, 263948), (874, 228010), (1510, 131974), (1748, 114005), (2185, 91204), (2869, 69460), (3020, 65987), (3473, 57380), (4370, 45602), (5738, 34730), (6946, 28690), (8740, 22801), (11476, 17365), (13892, 14345)]