220622500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{1801}}^1$

素因数の和:1839

約数の個数: 90

約数和(自身を含む): 561537438

約数和(自身を除く): 340914938

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 625, 700, 875, 980, 1225, 1250, 1750, 1801, 2450, 2500, 3500, 3602, 4375, 4900, 6125, 7204, 8750, 9005, 12250, 12607, 17500, 18010, 24500, 25214, 30625, 36020, 45025, 50428, 61250, 63035, 88249, 90050, 122500, 126070, 176498, 180100, 225125, 252140, 315175, 352996, 441245, 450250, 630350, 882490, 900500, 1125625, 1260700, 1575875, 1764980, 2206225, 2251250, 3151750, 4412450, 4502500, 6303500, 7879375, 8824900, 11031125, 15758750, 22062250, 31517500, 44124500, 55155625, 110311250, 220622500]

約数ペア:

[(1, 220622500), (2, 110311250), (4, 55155625), (5, 44124500), (7, 31517500), (10, 22062250), (14, 15758750), (20, 11031125), (25, 8824900), (28, 7879375), (35, 6303500), (49, 4502500), (50, 4412450), (70, 3151750), (98, 2251250), (100, 2206225), (125, 1764980), (140, 1575875), (175, 1260700), (196, 1125625), (245, 900500), (250, 882490), (350, 630350), (490, 450250), (500, 441245), (625, 352996), (700, 315175), (875, 252140), (980, 225125), (1225, 180100), (1250, 176498), (1750, 126070), (1801, 122500), (2450, 90050), (2500, 88249), (3500, 63035), (3602, 61250), (4375, 50428), (4900, 45025), (6125, 36020), (7204, 30625), (8750, 25214), (9005, 24500), (12250, 18010), (12607, 17500)]