870100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 2374848

約数和(自身を除く): 1504748

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 113, 140, 154, 175, 220, 226, 275, 308, 350, 385, 452, 550, 565, 700, 770, 791, 1100, 1130, 1243, 1540, 1582, 1925, 2260, 2486, 2825, 3164, 3850, 3955, 4972, 5650, 6215, 7700, 7910, 8701, 11300, 12430, 15820, 17402, 19775, 24860, 31075, 34804, 39550, 43505, 62150, 79100, 87010, 124300, 174020, 217525, 435050, 870100]

約数ペア:

[(1, 870100), (2, 435050), (4, 217525), (5, 174020), (7, 124300), (10, 87010), (11, 79100), (14, 62150), (20, 43505), (22, 39550), (25, 34804), (28, 31075), (35, 24860), (44, 19775), (50, 17402), (55, 15820), (70, 12430), (77, 11300), (100, 8701), (110, 7910), (113, 7700), (140, 6215), (154, 5650), (175, 4972), (220, 3955), (226, 3850), (275, 3164), (308, 2825), (350, 2486), (385, 2260), (452, 1925), (550, 1582), (565, 1540), (700, 1243), (770, 1130), (791, 1100)]