220819900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16603}}^1$

素因数の和:16643

約数の個数: 72

約数和(自身を含む): 576490880

約数和(自身を除く): 355670980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2660, 3325, 6650, 13300, 16603, 33206, 66412, 83015, 116221, 166030, 232442, 315457, 332060, 415075, 464884, 581105, 630914, 830150, 1162210, 1261828, 1577285, 1660300, 2208199, 2324420, 2905525, 3154570, 4416398, 5811050, 6309140, 7886425, 8832796, 11040995, 11622100, 15772850, 22081990, 31545700, 44163980, 55204975, 110409950, 220819900]

約数ペア:

[(1, 220819900), (2, 110409950), (4, 55204975), (5, 44163980), (7, 31545700), (10, 22081990), (14, 15772850), (19, 11622100), (20, 11040995), (25, 8832796), (28, 7886425), (35, 6309140), (38, 5811050), (50, 4416398), (70, 3154570), (76, 2905525), (95, 2324420), (100, 2208199), (133, 1660300), (140, 1577285), (175, 1261828), (190, 1162210), (266, 830150), (350, 630914), (380, 581105), (475, 464884), (532, 415075), (665, 332060), (700, 315457), (950, 232442), (1330, 166030), (1900, 116221), (2660, 83015), (3325, 66412), (6650, 33206), (13300, 16603)]