242994640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{701}}^1$

素因数の和:1340

約数の個数: 80

約数和(自身を含む): 647637120

約数和(自身を除く): 404642480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 619, 701, 1238, 1402, 2476, 2804, 3095, 3505, 4333, 4907, 4952, 5608, 6190, 7010, 8666, 9814, 9904, 11216, 12380, 14020, 17332, 19628, 21665, 24535, 24760, 28040, 34664, 39256, 43330, 49070, 49520, 56080, 69328, 78512, 86660, 98140, 173320, 196280, 346640, 392560, 433919, 867838, 1735676, 2169595, 3037433, 3471352, 4339190, 6074866, 6942704, 8678380, 12149732, 15187165, 17356760, 24299464, 30374330, 34713520, 48598928, 60748660, 121497320, 242994640]

約数ペア:

[(1, 242994640), (2, 121497320), (4, 60748660), (5, 48598928), (7, 34713520), (8, 30374330), (10, 24299464), (14, 17356760), (16, 15187165), (20, 12149732), (28, 8678380), (35, 6942704), (40, 6074866), (56, 4339190), (70, 3471352), (80, 3037433), (112, 2169595), (140, 1735676), (280, 867838), (560, 433919), (619, 392560), (701, 346640), (1238, 196280), (1402, 173320), (2476, 98140), (2804, 86660), (3095, 78512), (3505, 69328), (4333, 56080), (4907, 49520), (4952, 49070), (5608, 43330), (6190, 39256), (7010, 34664), (8666, 28040), (9814, 24760), (9904, 24535), (11216, 21665), (12380, 19628), (14020, 17332)]