439450240

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:618

約数の個数: 128

約数和(自身を含む): 1123632000

約数和(自身を除く): 684181760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 71, 76, 80, 95, 128, 142, 152, 160, 190, 284, 304, 320, 355, 380, 509, 568, 608, 640, 710, 760, 1018, 1136, 1216, 1349, 1420, 1520, 2036, 2272, 2432, 2545, 2698, 2840, 3040, 4072, 4544, 5090, 5396, 5680, 6080, 6745, 8144, 9088, 9671, 10180, 10792, 11360, 12160, 13490, 16288, 19342, 20360, 21584, 22720, 26980, 32576, 36139, 38684, 40720, 43168, 45440, 48355, 53960, 65152, 72278, 77368, 81440, 86336, 96710, 107920, 144556, 154736, 162880, 172672, 180695, 193420, 215840, 289112, 309472, 325760, 361390, 386840, 431680, 578224, 618944, 686641, 722780, 773680, 863360, 1156448, 1237888, 1373282, 1445560, 1547360, 2312896, 2746564, 2891120, 3094720, 3433205, 4625792, 5493128, 5782240, 6189440, 6866410, 10986256, 11564480, 13732820, 21972512, 23128960, 27465640, 43945024, 54931280, 87890048, 109862560, 219725120, 439450240]

約数ペア:

[(1, 439450240), (2, 219725120), (4, 109862560), (5, 87890048), (8, 54931280), (10, 43945024), (16, 27465640), (19, 23128960), (20, 21972512), (32, 13732820), (38, 11564480), (40, 10986256), (64, 6866410), (71, 6189440), (76, 5782240), (80, 5493128), (95, 4625792), (128, 3433205), (142, 3094720), (152, 2891120), (160, 2746564), (190, 2312896), (284, 1547360), (304, 1445560), (320, 1373282), (355, 1237888), (380, 1156448), (509, 863360), (568, 773680), (608, 722780), (640, 686641), (710, 618944), (760, 578224), (1018, 431680), (1136, 386840), (1216, 361390), (1349, 325760), (1420, 309472), (1520, 289112), (2036, 215840), (2272, 193420), (2432, 180695), (2545, 172672), (2698, 162880), (2840, 154736), (3040, 144556), (4072, 107920), (4544, 96710), (5090, 86336), (5396, 81440), (5680, 77368), (6080, 72278), (6745, 65152), (8144, 53960), (9088, 48355), (9671, 45440), (10180, 43168), (10792, 40720), (11360, 38684), (12160, 36139), (13490, 32576), (16288, 26980), (19342, 22720), (20360, 21584)]