38218880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 128

約数和(自身を含む): 110160000

約数和(自身を除く): 71941120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 449, 532, 560, 608, 640, 665, 760, 896, 898, 1064, 1120, 1216, 1330, 1520, 1796, 2128, 2240, 2245, 2432, 2660, 3040, 3143, 3592, 4256, 4480, 4490, 5320, 6080, 6286, 7184, 8512, 8531, 8980, 10640, 12160, 12572, 14368, 15715, 17024, 17062, 17960, 21280, 25144, 28736, 31430, 34124, 35920, 42560, 42655, 50288, 57472, 59717, 62860, 68248, 71840, 85120, 85310, 100576, 119434, 125720, 136496, 143680, 170620, 201152, 238868, 251440, 272992, 287360, 298585, 341240, 402304, 477736, 502880, 545984, 597170, 682480, 955472, 1005760, 1091968, 1194340, 1364960, 1910944, 2011520, 2388680, 2729920, 3821888, 4777360, 5459840, 7643776, 9554720, 19109440, 38218880]

約数ペア:

[(1, 38218880), (2, 19109440), (4, 9554720), (5, 7643776), (7, 5459840), (8, 4777360), (10, 3821888), (14, 2729920), (16, 2388680), (19, 2011520), (20, 1910944), (28, 1364960), (32, 1194340), (35, 1091968), (38, 1005760), (40, 955472), (56, 682480), (64, 597170), (70, 545984), (76, 502880), (80, 477736), (95, 402304), (112, 341240), (128, 298585), (133, 287360), (140, 272992), (152, 251440), (160, 238868), (190, 201152), (224, 170620), (266, 143680), (280, 136496), (304, 125720), (320, 119434), (380, 100576), (448, 85310), (449, 85120), (532, 71840), (560, 68248), (608, 62860), (640, 59717), (665, 57472), (760, 50288), (896, 42655), (898, 42560), (1064, 35920), (1120, 34124), (1216, 31430), (1330, 28736), (1520, 25144), (1796, 21280), (2128, 17960), (2240, 17062), (2245, 17024), (2432, 15715), (2660, 14368), (3040, 12572), (3143, 12160), (3592, 10640), (4256, 8980), (4480, 8531), (4490, 8512), (5320, 7184), (6080, 6286)]