28154200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 71424000

約数和(自身を除く): 43269800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 50, 62, 76, 95, 100, 124, 152, 155, 190, 200, 239, 248, 310, 380, 475, 478, 589, 620, 760, 775, 950, 956, 1178, 1195, 1240, 1550, 1900, 1912, 2356, 2390, 2945, 3100, 3800, 4541, 4712, 4780, 5890, 5975, 6200, 7409, 9082, 9560, 11780, 11950, 14725, 14818, 18164, 22705, 23560, 23900, 29450, 29636, 36328, 37045, 45410, 47800, 58900, 59272, 74090, 90820, 113525, 117800, 140771, 148180, 181640, 185225, 227050, 281542, 296360, 370450, 454100, 563084, 703855, 740900, 908200, 1126168, 1407710, 1481800, 2815420, 3519275, 5630840, 7038550, 14077100, 28154200]

約数ペア:

[(1, 28154200), (2, 14077100), (4, 7038550), (5, 5630840), (8, 3519275), (10, 2815420), (19, 1481800), (20, 1407710), (25, 1126168), (31, 908200), (38, 740900), (40, 703855), (50, 563084), (62, 454100), (76, 370450), (95, 296360), (100, 281542), (124, 227050), (152, 185225), (155, 181640), (190, 148180), (200, 140771), (239, 117800), (248, 113525), (310, 90820), (380, 74090), (475, 59272), (478, 58900), (589, 47800), (620, 45410), (760, 37045), (775, 36328), (950, 29636), (956, 29450), (1178, 23900), (1195, 23560), (1240, 22705), (1550, 18164), (1900, 14818), (1912, 14725), (2356, 11950), (2390, 11780), (2945, 9560), (3100, 9082), (3800, 7409), (4541, 6200), (4712, 5975), (4780, 5890)]