212912100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{12451}}^1$

素因数の和:12490

約数の個数: 108

約数和(自身を含む): 702541840

約数和(自身を除く): 489629740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1425, 1710, 1900, 2850, 3420, 4275, 5700, 8550, 12451, 17100, 24902, 37353, 49804, 62255, 74706, 112059, 124510, 149412, 186765, 224118, 236569, 249020, 311275, 373530, 448236, 473138, 560295, 622550, 709707, 747060, 933825, 946276, 1120590, 1182845, 1245100, 1419414, 1867650, 2129121, 2241180, 2365690, 2801475, 2838828, 3548535, 3735300, 4258242, 4731380, 5602950, 5914225, 7097070, 8516484, 10645605, 11205900, 11828450, 14194140, 17742675, 21291210, 23656900, 35485350, 42582420, 53228025, 70970700, 106456050, 212912100]

約数ペア:

[(1, 212912100), (2, 106456050), (3, 70970700), (4, 53228025), (5, 42582420), (6, 35485350), (9, 23656900), (10, 21291210), (12, 17742675), (15, 14194140), (18, 11828450), (19, 11205900), (20, 10645605), (25, 8516484), (30, 7097070), (36, 5914225), (38, 5602950), (45, 4731380), (50, 4258242), (57, 3735300), (60, 3548535), (75, 2838828), (76, 2801475), (90, 2365690), (95, 2241180), (100, 2129121), (114, 1867650), (150, 1419414), (171, 1245100), (180, 1182845), (190, 1120590), (225, 946276), (228, 933825), (285, 747060), (300, 709707), (342, 622550), (380, 560295), (450, 473138), (475, 448236), (570, 373530), (684, 311275), (855, 249020), (900, 236569), (950, 224118), (1140, 186765), (1425, 149412), (1710, 124510), (1900, 112059), (2850, 74706), (3420, 62255), (4275, 49804), (5700, 37353), (8550, 24902), (12451, 17100)]