221105920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{24677}}^1$

素因数の和:24705

約数の個数: 72

約数和(自身を含む): 605301984

約数和(自身を除く): 384196064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 24677, 49354, 98708, 123385, 172739, 197416, 246770, 345478, 394832, 493540, 690956, 789664, 863695, 987080, 1381912, 1579328, 1727390, 1974160, 2763824, 3158656, 3454780, 3948320, 5527648, 6317312, 6909560, 7896640, 11055296, 13819120, 15793280, 22110592, 27638240, 31586560, 44221184, 55276480, 110552960, 221105920]

約数ペア:

[(1, 221105920), (2, 110552960), (4, 55276480), (5, 44221184), (7, 31586560), (8, 27638240), (10, 22110592), (14, 15793280), (16, 13819120), (20, 11055296), (28, 7896640), (32, 6909560), (35, 6317312), (40, 5527648), (56, 3948320), (64, 3454780), (70, 3158656), (80, 2763824), (112, 1974160), (128, 1727390), (140, 1579328), (160, 1381912), (224, 987080), (256, 863695), (280, 789664), (320, 690956), (448, 493540), (560, 394832), (640, 345478), (896, 246770), (1120, 197416), (1280, 172739), (1792, 123385), (2240, 98708), (4480, 49354), (8960, 24677)]