345339940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:673

約数の個数: 96

約数和(自身を含む): 833172480

約数和(自身を除く): 487832540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 139, 220, 230, 253, 278, 460, 491, 506, 556, 695, 982, 1012, 1265, 1390, 1529, 1964, 2455, 2530, 2780, 3058, 3197, 4910, 5060, 5401, 6116, 6394, 7645, 9820, 10802, 11293, 12788, 15290, 15985, 21604, 22586, 27005, 30580, 31970, 35167, 45172, 54010, 56465, 63940, 68249, 70334, 108020, 112930, 124223, 136498, 140668, 175835, 225860, 248446, 272996, 341245, 351670, 496892, 621115, 682490, 703340, 750739, 1242230, 1364980, 1501478, 1569727, 2484460, 3002956, 3139454, 3753695, 6278908, 7507390, 7848635, 15014780, 15697270, 17266997, 31394540, 34533994, 69067988, 86334985, 172669970, 345339940]

約数ペア:

[(1, 345339940), (2, 172669970), (4, 86334985), (5, 69067988), (10, 34533994), (11, 31394540), (20, 17266997), (22, 15697270), (23, 15014780), (44, 7848635), (46, 7507390), (55, 6278908), (92, 3753695), (110, 3139454), (115, 3002956), (139, 2484460), (220, 1569727), (230, 1501478), (253, 1364980), (278, 1242230), (460, 750739), (491, 703340), (506, 682490), (556, 621115), (695, 496892), (982, 351670), (1012, 341245), (1265, 272996), (1390, 248446), (1529, 225860), (1964, 175835), (2455, 140668), (2530, 136498), (2780, 124223), (3058, 112930), (3197, 108020), (4910, 70334), (5060, 68249), (5401, 63940), (6116, 56465), (6394, 54010), (7645, 45172), (9820, 35167), (10802, 31970), (11293, 30580), (12788, 27005), (15290, 22586), (15985, 21604)]