2109492100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{811}}^1$

素因数の和:918

約数の個数: 108

約数和(自身を含む): 4958380560

約数和(自身を除く): 2848888460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 370, 380, 475, 703, 740, 811, 925, 950, 1369, 1406, 1622, 1850, 1900, 2738, 2812, 3244, 3515, 3700, 4055, 5476, 6845, 7030, 8110, 13690, 14060, 15409, 16220, 17575, 20275, 26011, 27380, 30007, 30818, 34225, 35150, 40550, 52022, 60014, 61636, 68450, 70300, 77045, 81100, 104044, 120028, 130055, 136900, 150035, 154090, 260110, 300070, 308180, 385225, 520220, 570133, 600140, 650275, 750175, 770450, 1110259, 1140266, 1300550, 1500350, 1540900, 2220518, 2280532, 2601100, 2850665, 3000700, 4441036, 5551295, 5701330, 11102590, 11402660, 14253325, 21094921, 22205180, 27756475, 28506650, 42189842, 55512950, 57013300, 84379684, 105474605, 111025900, 210949210, 421898420, 527373025, 1054746050, 2109492100]

約数ペア:

[(1, 2109492100), (2, 1054746050), (4, 527373025), (5, 421898420), (10, 210949210), (19, 111025900), (20, 105474605), (25, 84379684), (37, 57013300), (38, 55512950), (50, 42189842), (74, 28506650), (76, 27756475), (95, 22205180), (100, 21094921), (148, 14253325), (185, 11402660), (190, 11102590), (370, 5701330), (380, 5551295), (475, 4441036), (703, 3000700), (740, 2850665), (811, 2601100), (925, 2280532), (950, 2220518), (1369, 1540900), (1406, 1500350), (1622, 1300550), (1850, 1140266), (1900, 1110259), (2738, 770450), (2812, 750175), (3244, 650275), (3515, 600140), (3700, 570133), (4055, 520220), (5476, 385225), (6845, 308180), (7030, 300070), (8110, 260110), (13690, 154090), (14060, 150035), (15409, 136900), (16220, 130055), (17575, 120028), (20275, 104044), (26011, 81100), (27380, 77045), (30007, 70300), (30818, 68450), (34225, 61636), (35150, 60014), (40550, 52022)]