31325700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{2131}}^1$

素因数の和:2162

約数の個数: 108

約数和(自身を含む): 105482832

約数和(自身を除く): 74157132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 350, 420, 490, 525, 588, 700, 735, 980, 1050, 1225, 1470, 2100, 2131, 2450, 2940, 3675, 4262, 4900, 6393, 7350, 8524, 10655, 12786, 14700, 14917, 21310, 25572, 29834, 31965, 42620, 44751, 53275, 59668, 63930, 74585, 89502, 104419, 106550, 127860, 149170, 159825, 179004, 208838, 213100, 223755, 298340, 313257, 319650, 372925, 417676, 447510, 522095, 626514, 639300, 745850, 895020, 1044190, 1118775, 1253028, 1491700, 1566285, 2088380, 2237550, 2610475, 3132570, 4475100, 5220950, 6265140, 7831425, 10441900, 15662850, 31325700]

約数ペア:

[(1, 31325700), (2, 15662850), (3, 10441900), (4, 7831425), (5, 6265140), (6, 5220950), (7, 4475100), (10, 3132570), (12, 2610475), (14, 2237550), (15, 2088380), (20, 1566285), (21, 1491700), (25, 1253028), (28, 1118775), (30, 1044190), (35, 895020), (42, 745850), (49, 639300), (50, 626514), (60, 522095), (70, 447510), (75, 417676), (84, 372925), (98, 319650), (100, 313257), (105, 298340), (140, 223755), (147, 213100), (150, 208838), (175, 179004), (196, 159825), (210, 149170), (245, 127860), (294, 106550), (300, 104419), (350, 89502), (420, 74585), (490, 63930), (525, 59668), (588, 53275), (700, 44751), (735, 42620), (980, 31965), (1050, 29834), (1225, 25572), (1470, 21310), (2100, 14917), (2131, 14700), (2450, 12786), (2940, 10655), (3675, 8524), (4262, 7350), (4900, 6393)]