80220350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 72

約数和(自身を含む): 175569120

約数和(自身を除く): 95348770

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 137, 175, 239, 245, 274, 350, 478, 490, 685, 959, 1195, 1225, 1370, 1673, 1918, 2390, 2450, 3346, 3425, 4795, 5975, 6713, 6850, 8365, 9590, 11711, 11950, 13426, 16730, 23422, 23975, 32743, 33565, 41825, 47950, 58555, 65486, 67130, 83650, 117110, 163715, 167825, 229201, 292775, 327430, 335650, 458402, 585550, 818575, 1146005, 1604407, 1637150, 2292010, 3208814, 5730025, 8022035, 11460050, 16044070, 40110175, 80220350]

約数ペア:

[(1, 80220350), (2, 40110175), (5, 16044070), (7, 11460050), (10, 8022035), (14, 5730025), (25, 3208814), (35, 2292010), (49, 1637150), (50, 1604407), (70, 1146005), (98, 818575), (137, 585550), (175, 458402), (239, 335650), (245, 327430), (274, 292775), (350, 229201), (478, 167825), (490, 163715), (685, 117110), (959, 83650), (1195, 67130), (1225, 65486), (1370, 58555), (1673, 47950), (1918, 41825), (2390, 33565), (2450, 32743), (3346, 23975), (3425, 23422), (4795, 16730), (5975, 13426), (6713, 11950), (6850, 11711), (8365, 9590)]