38908100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 109326336

約数和(自身を除く): 70418236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 50, 55, 62, 70, 77, 100, 110, 124, 140, 154, 155, 163, 175, 217, 220, 275, 308, 310, 326, 341, 350, 385, 434, 550, 620, 652, 682, 700, 770, 775, 815, 868, 1085, 1100, 1141, 1364, 1540, 1550, 1630, 1705, 1793, 1925, 2170, 2282, 2387, 3100, 3260, 3410, 3586, 3850, 4075, 4340, 4564, 4774, 5053, 5425, 5705, 6820, 7172, 7700, 8150, 8525, 8965, 9548, 10106, 10850, 11410, 11935, 12551, 16300, 17050, 17930, 20212, 21700, 22820, 23870, 25102, 25265, 28525, 34100, 35371, 35860, 44825, 47740, 50204, 50530, 55583, 57050, 59675, 62755, 70742, 89650, 101060, 111166, 114100, 119350, 125510, 126325, 141484, 176855, 179300, 222332, 238700, 251020, 252650, 277915, 313775, 353710, 389081, 505300, 555830, 627550, 707420, 778162, 884275, 1111660, 1255100, 1389575, 1556324, 1768550, 1945405, 2779150, 3537100, 3890810, 5558300, 7781620, 9727025, 19454050, 38908100]

約数ペア:

[(1, 38908100), (2, 19454050), (4, 9727025), (5, 7781620), (7, 5558300), (10, 3890810), (11, 3537100), (14, 2779150), (20, 1945405), (22, 1768550), (25, 1556324), (28, 1389575), (31, 1255100), (35, 1111660), (44, 884275), (50, 778162), (55, 707420), (62, 627550), (70, 555830), (77, 505300), (100, 389081), (110, 353710), (124, 313775), (140, 277915), (154, 252650), (155, 251020), (163, 238700), (175, 222332), (217, 179300), (220, 176855), (275, 141484), (308, 126325), (310, 125510), (326, 119350), (341, 114100), (350, 111166), (385, 101060), (434, 89650), (550, 70742), (620, 62755), (652, 59675), (682, 57050), (700, 55583), (770, 50530), (775, 50204), (815, 47740), (868, 44825), (1085, 35860), (1100, 35371), (1141, 34100), (1364, 28525), (1540, 25265), (1550, 25102), (1630, 23870), (1705, 22820), (1793, 21700), (1925, 20212), (2170, 17930), (2282, 17050), (2387, 16300), (3100, 12551), (3260, 11935), (3410, 11410), (3586, 10850), (3850, 10106), (4075, 9548), (4340, 8965), (4564, 8525), (4774, 8150), (5053, 7700), (5425, 7172), (5705, 6820)]