388920350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12211}}^1$

素因数の和:12250

約数の個数: 72

約数和(自身を含む): 906301368

約数和(自身を除く): 517381018

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 910, 1225, 1274, 2275, 2450, 3185, 4550, 6370, 12211, 15925, 24422, 31850, 61055, 85477, 122110, 158743, 170954, 305275, 317486, 427385, 598339, 610550, 793715, 854770, 1111201, 1196678, 1587430, 2136925, 2222402, 2991695, 3968575, 4273850, 5556005, 5983390, 7778407, 7937150, 11112010, 14958475, 15556814, 27780025, 29916950, 38892035, 55560050, 77784070, 194460175, 388920350]

約数ペア:

[(1, 388920350), (2, 194460175), (5, 77784070), (7, 55560050), (10, 38892035), (13, 29916950), (14, 27780025), (25, 15556814), (26, 14958475), (35, 11112010), (49, 7937150), (50, 7778407), (65, 5983390), (70, 5556005), (91, 4273850), (98, 3968575), (130, 2991695), (175, 2222402), (182, 2136925), (245, 1587430), (325, 1196678), (350, 1111201), (455, 854770), (490, 793715), (637, 610550), (650, 598339), (910, 427385), (1225, 317486), (1274, 305275), (2275, 170954), (2450, 158743), (3185, 122110), (4550, 85477), (6370, 61055), (12211, 31850), (15925, 24422)]