189758320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 468541440

約数和(自身を除く): 278783120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 380, 508, 635, 760, 983, 1016, 1270, 1520, 1966, 2032, 2413, 2540, 3932, 4826, 4915, 5080, 7864, 9652, 9830, 10160, 12065, 15728, 18677, 19304, 19660, 24130, 37354, 38608, 39320, 48260, 74708, 78640, 93385, 96520, 124841, 149416, 186770, 193040, 249682, 298832, 373540, 499364, 624205, 747080, 998728, 1248410, 1494160, 1997456, 2371979, 2496820, 4743958, 4993640, 9487916, 9987280, 11859895, 18975832, 23719790, 37951664, 47439580, 94879160, 189758320]

約数ペア:

[(1, 189758320), (2, 94879160), (4, 47439580), (5, 37951664), (8, 23719790), (10, 18975832), (16, 11859895), (19, 9987280), (20, 9487916), (38, 4993640), (40, 4743958), (76, 2496820), (80, 2371979), (95, 1997456), (127, 1494160), (152, 1248410), (190, 998728), (254, 747080), (304, 624205), (380, 499364), (508, 373540), (635, 298832), (760, 249682), (983, 193040), (1016, 186770), (1270, 149416), (1520, 124841), (1966, 96520), (2032, 93385), (2413, 78640), (2540, 74708), (3932, 48260), (4826, 39320), (4915, 38608), (5080, 37354), (7864, 24130), (9652, 19660), (9830, 19304), (10160, 18677), (12065, 15728)]