155561000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:412

約数の個数: 128

約数和(自身を含む): 423221760

約数和(自身を除く): 267660760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 125, 140, 142, 175, 200, 250, 280, 284, 313, 350, 355, 497, 500, 568, 626, 700, 710, 875, 994, 1000, 1252, 1400, 1420, 1565, 1750, 1775, 1988, 2191, 2485, 2504, 2840, 3130, 3500, 3550, 3976, 4382, 4970, 6260, 7000, 7100, 7825, 8764, 8875, 9940, 10955, 12425, 12520, 14200, 15650, 17528, 17750, 19880, 21910, 22223, 24850, 31300, 35500, 39125, 43820, 44446, 49700, 54775, 62125, 62600, 71000, 78250, 87640, 88892, 99400, 109550, 111115, 124250, 155561, 156500, 177784, 219100, 222230, 248500, 273875, 311122, 313000, 438200, 444460, 497000, 547750, 555575, 622244, 777805, 888920, 1095500, 1111150, 1244488, 1555610, 2191000, 2222300, 2777875, 3111220, 3889025, 4444600, 5555750, 6222440, 7778050, 11111500, 15556100, 19445125, 22223000, 31112200, 38890250, 77780500, 155561000]

約数ペア:

[(1, 155561000), (2, 77780500), (4, 38890250), (5, 31112200), (7, 22223000), (8, 19445125), (10, 15556100), (14, 11111500), (20, 7778050), (25, 6222440), (28, 5555750), (35, 4444600), (40, 3889025), (50, 3111220), (56, 2777875), (70, 2222300), (71, 2191000), (100, 1555610), (125, 1244488), (140, 1111150), (142, 1095500), (175, 888920), (200, 777805), (250, 622244), (280, 555575), (284, 547750), (313, 497000), (350, 444460), (355, 438200), (497, 313000), (500, 311122), (568, 273875), (626, 248500), (700, 222230), (710, 219100), (875, 177784), (994, 156500), (1000, 155561), (1252, 124250), (1400, 111115), (1420, 109550), (1565, 99400), (1750, 88892), (1775, 87640), (1988, 78250), (2191, 71000), (2485, 62600), (2504, 62125), (2840, 54775), (3130, 49700), (3500, 44446), (3550, 43820), (3976, 39125), (4382, 35500), (4970, 31300), (6260, 24850), (7000, 22223), (7100, 21910), (7825, 19880), (8764, 17750), (8875, 17528), (9940, 15650), (10955, 14200), (12425, 12520)]