28734080

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 77112000

約数和(自身を除く): 48377920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 139, 152, 160, 170, 190, 272, 278, 304, 320, 323, 340, 380, 544, 556, 608, 640, 646, 680, 695, 760, 1088, 1112, 1216, 1292, 1360, 1390, 1520, 1615, 2176, 2224, 2363, 2432, 2584, 2641, 2720, 2780, 3040, 3230, 4448, 4726, 5168, 5282, 5440, 5560, 6080, 6460, 8896, 9452, 10336, 10564, 10880, 11120, 11815, 12160, 12920, 13205, 17792, 18904, 20672, 21128, 22240, 23630, 25840, 26410, 37808, 41344, 42256, 44480, 44897, 47260, 51680, 52820, 75616, 84512, 88960, 89794, 94520, 103360, 105640, 151232, 169024, 179588, 189040, 206720, 211280, 224485, 302464, 338048, 359176, 378080, 422560, 448970, 718352, 756160, 845120, 897940, 1436704, 1512320, 1690240, 1795880, 2873408, 3591760, 5746816, 7183520, 14367040, 28734080]

約数ペア:

[(1, 28734080), (2, 14367040), (4, 7183520), (5, 5746816), (8, 3591760), (10, 2873408), (16, 1795880), (17, 1690240), (19, 1512320), (20, 1436704), (32, 897940), (34, 845120), (38, 756160), (40, 718352), (64, 448970), (68, 422560), (76, 378080), (80, 359176), (85, 338048), (95, 302464), (128, 224485), (136, 211280), (139, 206720), (152, 189040), (160, 179588), (170, 169024), (190, 151232), (272, 105640), (278, 103360), (304, 94520), (320, 89794), (323, 88960), (340, 84512), (380, 75616), (544, 52820), (556, 51680), (608, 47260), (640, 44897), (646, 44480), (680, 42256), (695, 41344), (760, 37808), (1088, 26410), (1112, 25840), (1216, 23630), (1292, 22240), (1360, 21128), (1390, 20672), (1520, 18904), (1615, 17792), (2176, 13205), (2224, 12920), (2363, 12160), (2432, 11815), (2584, 11120), (2641, 10880), (2720, 10564), (2780, 10336), (3040, 9452), (3230, 8896), (4448, 6460), (4726, 6080), (5168, 5560), (5282, 5440)]