31845800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 90515040

約数和(自身を除く): 58669240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 43, 46, 50, 56, 70, 86, 92, 100, 115, 140, 161, 172, 175, 184, 200, 215, 230, 280, 301, 322, 344, 350, 430, 460, 529, 575, 602, 644, 700, 805, 860, 920, 989, 1058, 1075, 1150, 1204, 1288, 1400, 1505, 1610, 1720, 1978, 2116, 2150, 2300, 2408, 2645, 3010, 3220, 3703, 3956, 4025, 4232, 4300, 4600, 4945, 5290, 6020, 6440, 6923, 7406, 7525, 7912, 8050, 8600, 9890, 10580, 12040, 13225, 13846, 14812, 15050, 16100, 18515, 19780, 21160, 22747, 24725, 26450, 27692, 29624, 30100, 32200, 34615, 37030, 39560, 45494, 49450, 52900, 55384, 60200, 69230, 74060, 90988, 92575, 98900, 105800, 113735, 138460, 148120, 159229, 173075, 181976, 185150, 197800, 227470, 276920, 318458, 346150, 370300, 454940, 568675, 636916, 692300, 740600, 796145, 909880, 1137350, 1273832, 1384600, 1592290, 2274700, 3184580, 3980725, 4549400, 6369160, 7961450, 15922900, 31845800]

約数ペア:

[(1, 31845800), (2, 15922900), (4, 7961450), (5, 6369160), (7, 4549400), (8, 3980725), (10, 3184580), (14, 2274700), (20, 1592290), (23, 1384600), (25, 1273832), (28, 1137350), (35, 909880), (40, 796145), (43, 740600), (46, 692300), (50, 636916), (56, 568675), (70, 454940), (86, 370300), (92, 346150), (100, 318458), (115, 276920), (140, 227470), (161, 197800), (172, 185150), (175, 181976), (184, 173075), (200, 159229), (215, 148120), (230, 138460), (280, 113735), (301, 105800), (322, 98900), (344, 92575), (350, 90988), (430, 74060), (460, 69230), (529, 60200), (575, 55384), (602, 52900), (644, 49450), (700, 45494), (805, 39560), (860, 37030), (920, 34615), (989, 32200), (1058, 30100), (1075, 29624), (1150, 27692), (1204, 26450), (1288, 24725), (1400, 22747), (1505, 21160), (1610, 19780), (1720, 18515), (1978, 16100), (2116, 15050), (2150, 14812), (2300, 13846), (2408, 13225), (2645, 12040), (3010, 10580), (3220, 9890), (3703, 8600), (3956, 8050), (4025, 7912), (4232, 7525), (4300, 7406), (4600, 6923), (4945, 6440), (5290, 6020)]