1900391940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{5417}}^1$

素因数の和:7381

約数の個数: 72

約数和(自身を含む): 5768544600

約数和(自身を除く): 3868152660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1949, 3898, 5417, 5847, 7796, 9745, 10834, 11694, 16251, 17541, 19490, 21668, 23388, 27085, 29235, 32502, 35082, 38980, 48753, 54170, 58470, 65004, 70164, 81255, 87705, 97506, 108340, 116940, 162510, 175410, 195012, 243765, 325020, 350820, 487530, 975060, 10557733, 21115466, 31673199, 42230932, 52788665, 63346398, 95019597, 105577330, 126692796, 158365995, 190039194, 211154660, 316731990, 380078388, 475097985, 633463980, 950195970, 1900391940]

約数ペア:

[(1, 1900391940), (2, 950195970), (3, 633463980), (4, 475097985), (5, 380078388), (6, 316731990), (9, 211154660), (10, 190039194), (12, 158365995), (15, 126692796), (18, 105577330), (20, 95019597), (30, 63346398), (36, 52788665), (45, 42230932), (60, 31673199), (90, 21115466), (180, 10557733), (1949, 975060), (3898, 487530), (5417, 350820), (5847, 325020), (7796, 243765), (9745, 195012), (10834, 175410), (11694, 162510), (16251, 116940), (17541, 108340), (19490, 97506), (21668, 87705), (23388, 81255), (27085, 70164), (29235, 65004), (32502, 58470), (35082, 54170), (38980, 48753)]