156327800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 375645600

約数和(自身を除く): 219317800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 101, 109, 142, 200, 202, 218, 284, 355, 404, 436, 505, 545, 568, 710, 808, 872, 1010, 1090, 1420, 1775, 2020, 2180, 2525, 2725, 2840, 3550, 4040, 4360, 5050, 5450, 7100, 7171, 7739, 10100, 10900, 11009, 14200, 14342, 15478, 20200, 21800, 22018, 28684, 30956, 35855, 38695, 44036, 55045, 57368, 61912, 71710, 77390, 88072, 110090, 143420, 154780, 179275, 193475, 220180, 275225, 286840, 309560, 358550, 386950, 440360, 550450, 717100, 773900, 781639, 1100900, 1434200, 1547800, 1563278, 2201800, 3126556, 3908195, 6253112, 7816390, 15632780, 19540975, 31265560, 39081950, 78163900, 156327800]

約数ペア:

[(1, 156327800), (2, 78163900), (4, 39081950), (5, 31265560), (8, 19540975), (10, 15632780), (20, 7816390), (25, 6253112), (40, 3908195), (50, 3126556), (71, 2201800), (100, 1563278), (101, 1547800), (109, 1434200), (142, 1100900), (200, 781639), (202, 773900), (218, 717100), (284, 550450), (355, 440360), (404, 386950), (436, 358550), (505, 309560), (545, 286840), (568, 275225), (710, 220180), (808, 193475), (872, 179275), (1010, 154780), (1090, 143420), (1420, 110090), (1775, 88072), (2020, 77390), (2180, 71710), (2525, 61912), (2725, 57368), (2840, 55045), (3550, 44036), (4040, 38695), (4360, 35855), (5050, 30956), (5450, 28684), (7100, 22018), (7171, 21800), (7739, 20200), (10100, 15478), (10900, 14342), (11009, 14200)]