245010700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{617}}^1$

素因数の和:680

約数の個数: 108

約数和(自身を含む): 613132632

約数和(自身を除く): 368121932

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 361, 380, 418, 475, 550, 617, 722, 836, 950, 1045, 1100, 1234, 1444, 1805, 1900, 2090, 2468, 3085, 3610, 3971, 4180, 5225, 6170, 6787, 7220, 7942, 9025, 10450, 11723, 12340, 13574, 15425, 15884, 18050, 19855, 20900, 23446, 27148, 30850, 33935, 36100, 39710, 46892, 58615, 61700, 67870, 79420, 99275, 117230, 128953, 135740, 169675, 198550, 222737, 234460, 257906, 293075, 339350, 397100, 445474, 515812, 586150, 644765, 678700, 890948, 1113685, 1172300, 1289530, 2227370, 2450107, 2579060, 3223825, 4454740, 4900214, 5568425, 6447650, 9800428, 11136850, 12250535, 12895300, 22273700, 24501070, 49002140, 61252675, 122505350, 245010700]

約数ペア:

[(1, 245010700), (2, 122505350), (4, 61252675), (5, 49002140), (10, 24501070), (11, 22273700), (19, 12895300), (20, 12250535), (22, 11136850), (25, 9800428), (38, 6447650), (44, 5568425), (50, 4900214), (55, 4454740), (76, 3223825), (95, 2579060), (100, 2450107), (110, 2227370), (190, 1289530), (209, 1172300), (220, 1113685), (275, 890948), (361, 678700), (380, 644765), (418, 586150), (475, 515812), (550, 445474), (617, 397100), (722, 339350), (836, 293075), (950, 257906), (1045, 234460), (1100, 222737), (1234, 198550), (1444, 169675), (1805, 135740), (1900, 128953), (2090, 117230), (2468, 99275), (3085, 79420), (3610, 67870), (3971, 61700), (4180, 58615), (5225, 46892), (6170, 39710), (6787, 36100), (7220, 33935), (7942, 30850), (9025, 27148), (10450, 23446), (11723, 20900), (12340, 19855), (13574, 18050), (15425, 15884)]