28398160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 84637440

約数和(自身を除く): 56239280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 80, 85, 95, 112, 119, 133, 136, 140, 152, 157, 170, 190, 238, 266, 272, 280, 304, 314, 323, 340, 380, 476, 532, 560, 595, 628, 646, 665, 680, 760, 785, 952, 1064, 1099, 1190, 1256, 1292, 1330, 1360, 1520, 1570, 1615, 1904, 2128, 2198, 2261, 2380, 2512, 2584, 2660, 2669, 2983, 3140, 3230, 4396, 4522, 4760, 5168, 5320, 5338, 5495, 5966, 6280, 6460, 8792, 9044, 9520, 10640, 10676, 10990, 11305, 11932, 12560, 12920, 13345, 14915, 17584, 18088, 18683, 20881, 21352, 21980, 22610, 23864, 25840, 26690, 29830, 36176, 37366, 41762, 42704, 43960, 45220, 47728, 50711, 53380, 59660, 74732, 83524, 87920, 90440, 93415, 101422, 104405, 106760, 119320, 149464, 167048, 180880, 186830, 202844, 208810, 213520, 238640, 253555, 298928, 334096, 354977, 373660, 405688, 417620, 507110, 709954, 747320, 811376, 835240, 1014220, 1419908, 1494640, 1670480, 1774885, 2028440, 2839816, 3549770, 4056880, 5679632, 7099540, 14199080, 28398160]

約数ペア:

[(1, 28398160), (2, 14199080), (4, 7099540), (5, 5679632), (7, 4056880), (8, 3549770), (10, 2839816), (14, 2028440), (16, 1774885), (17, 1670480), (19, 1494640), (20, 1419908), (28, 1014220), (34, 835240), (35, 811376), (38, 747320), (40, 709954), (56, 507110), (68, 417620), (70, 405688), (76, 373660), (80, 354977), (85, 334096), (95, 298928), (112, 253555), (119, 238640), (133, 213520), (136, 208810), (140, 202844), (152, 186830), (157, 180880), (170, 167048), (190, 149464), (238, 119320), (266, 106760), (272, 104405), (280, 101422), (304, 93415), (314, 90440), (323, 87920), (340, 83524), (380, 74732), (476, 59660), (532, 53380), (560, 50711), (595, 47728), (628, 45220), (646, 43960), (665, 42704), (680, 41762), (760, 37366), (785, 36176), (952, 29830), (1064, 26690), (1099, 25840), (1190, 23864), (1256, 22610), (1292, 21980), (1330, 21352), (1360, 20881), (1520, 18683), (1570, 18088), (1615, 17584), (1904, 14915), (2128, 13345), (2198, 12920), (2261, 12560), (2380, 11932), (2512, 11305), (2584, 10990), (2660, 10676), (2669, 10640), (2983, 9520), (3140, 9044), (3230, 8792), (4396, 6460), (4522, 6280), (4760, 5966), (5168, 5495), (5320, 5338)]