100128700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{457}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 249657632

約数和(自身を除く): 149528932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 313, 350, 457, 626, 700, 914, 1252, 1565, 1828, 2191, 2285, 3130, 3199, 4382, 4570, 6260, 6398, 7825, 8764, 9140, 10955, 11425, 12796, 15650, 15995, 21910, 22850, 31300, 31990, 43820, 45700, 54775, 63980, 79975, 109550, 143041, 159950, 219100, 286082, 319900, 572164, 715205, 1001287, 1430410, 2002574, 2860820, 3576025, 4005148, 5006435, 7152050, 10012870, 14304100, 20025740, 25032175, 50064350, 100128700]

約数ペア:

[(1, 100128700), (2, 50064350), (4, 25032175), (5, 20025740), (7, 14304100), (10, 10012870), (14, 7152050), (20, 5006435), (25, 4005148), (28, 3576025), (35, 2860820), (50, 2002574), (70, 1430410), (100, 1001287), (140, 715205), (175, 572164), (313, 319900), (350, 286082), (457, 219100), (626, 159950), (700, 143041), (914, 109550), (1252, 79975), (1565, 63980), (1828, 54775), (2191, 45700), (2285, 43820), (3130, 31990), (3199, 31300), (4382, 22850), (4570, 21910), (6260, 15995), (6398, 15650), (7825, 12796), (8764, 11425), (9140, 10955)]