28019700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:374

約数の個数: 108

約数和(自身を含む): 88827648

約数和(自身を除く): 60807948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 163, 180, 191, 225, 300, 326, 382, 450, 489, 573, 652, 764, 815, 900, 955, 978, 1146, 1467, 1630, 1719, 1910, 1956, 2292, 2445, 2865, 2934, 3260, 3438, 3820, 4075, 4775, 4890, 5730, 5868, 6876, 7335, 8150, 8595, 9550, 9780, 11460, 12225, 14325, 14670, 16300, 17190, 19100, 24450, 28650, 29340, 31133, 34380, 36675, 42975, 48900, 57300, 62266, 73350, 85950, 93399, 124532, 146700, 155665, 171900, 186798, 280197, 311330, 373596, 466995, 560394, 622660, 778325, 933990, 1120788, 1400985, 1556650, 1867980, 2334975, 2801970, 3113300, 4669950, 5603940, 7004925, 9339900, 14009850, 28019700]

約数ペア:

[(1, 28019700), (2, 14009850), (3, 9339900), (4, 7004925), (5, 5603940), (6, 4669950), (9, 3113300), (10, 2801970), (12, 2334975), (15, 1867980), (18, 1556650), (20, 1400985), (25, 1120788), (30, 933990), (36, 778325), (45, 622660), (50, 560394), (60, 466995), (75, 373596), (90, 311330), (100, 280197), (150, 186798), (163, 171900), (180, 155665), (191, 146700), (225, 124532), (300, 93399), (326, 85950), (382, 73350), (450, 62266), (489, 57300), (573, 48900), (652, 42975), (764, 36675), (815, 34380), (900, 31133), (955, 29340), (978, 28650), (1146, 24450), (1467, 19100), (1630, 17190), (1719, 16300), (1910, 14670), (1956, 14325), (2292, 12225), (2445, 11460), (2865, 9780), (2934, 9550), (3260, 8595), (3438, 8150), (3820, 7335), (4075, 6876), (4775, 5868), (4890, 5730)]