181520300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7349}}^1$

素因数の和:7395

約数の個数: 72

約数和(自身を含む): 446586000

約数和(自身を除く): 265065700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 4940, 6175, 7349, 12350, 14698, 24700, 29396, 36745, 73490, 95537, 139631, 146980, 183725, 191074, 279262, 367450, 382148, 477685, 558524, 698155, 734900, 955370, 1396310, 1815203, 1910740, 2388425, 2792620, 3490775, 3630406, 4776850, 6981550, 7260812, 9076015, 9553700, 13963100, 18152030, 36304060, 45380075, 90760150, 181520300]

約数ペア:

[(1, 181520300), (2, 90760150), (4, 45380075), (5, 36304060), (10, 18152030), (13, 13963100), (19, 9553700), (20, 9076015), (25, 7260812), (26, 6981550), (38, 4776850), (50, 3630406), (52, 3490775), (65, 2792620), (76, 2388425), (95, 1910740), (100, 1815203), (130, 1396310), (190, 955370), (247, 734900), (260, 698155), (325, 558524), (380, 477685), (475, 382148), (494, 367450), (650, 279262), (950, 191074), (988, 183725), (1235, 146980), (1300, 139631), (1900, 95537), (2470, 73490), (4940, 36745), (6175, 29396), (7349, 24700), (12350, 14698)]