189437920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:433

約数の個数: 144

約数和(自身を含む): 529342128

約数和(自身を除く): 339904208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 160, 196, 224, 245, 280, 292, 331, 365, 392, 490, 511, 560, 584, 662, 730, 784, 980, 1022, 1120, 1168, 1324, 1460, 1568, 1655, 1960, 2044, 2317, 2336, 2555, 2648, 2920, 3310, 3577, 3920, 4088, 4634, 5110, 5296, 5840, 6620, 7154, 7840, 8176, 9268, 10220, 10592, 11585, 11680, 13240, 14308, 16219, 16352, 17885, 18536, 20440, 23170, 24163, 26480, 28616, 32438, 35770, 37072, 40880, 46340, 48326, 52960, 57232, 64876, 71540, 74144, 81095, 81760, 92680, 96652, 114464, 120815, 129752, 143080, 162190, 169141, 185360, 193304, 241630, 259504, 286160, 324380, 338282, 370720, 386608, 483260, 519008, 572320, 648760, 676564, 773216, 845705, 966520, 1183987, 1297520, 1353128, 1691410, 1933040, 2367974, 2595040, 2706256, 3382820, 3866080, 4735948, 5412512, 5919935, 6765640, 9471896, 11839870, 13531280, 18943792, 23679740, 27062560, 37887584, 47359480, 94718960, 189437920]

約数ペア:

[(1, 189437920), (2, 94718960), (4, 47359480), (5, 37887584), (7, 27062560), (8, 23679740), (10, 18943792), (14, 13531280), (16, 11839870), (20, 9471896), (28, 6765640), (32, 5919935), (35, 5412512), (40, 4735948), (49, 3866080), (56, 3382820), (70, 2706256), (73, 2595040), (80, 2367974), (98, 1933040), (112, 1691410), (140, 1353128), (146, 1297520), (160, 1183987), (196, 966520), (224, 845705), (245, 773216), (280, 676564), (292, 648760), (331, 572320), (365, 519008), (392, 483260), (490, 386608), (511, 370720), (560, 338282), (584, 324380), (662, 286160), (730, 259504), (784, 241630), (980, 193304), (1022, 185360), (1120, 169141), (1168, 162190), (1324, 143080), (1460, 129752), (1568, 120815), (1655, 114464), (1960, 96652), (2044, 92680), (2317, 81760), (2336, 81095), (2555, 74144), (2648, 71540), (2920, 64876), (3310, 57232), (3577, 52960), (3920, 48326), (4088, 46340), (4634, 40880), (5110, 37072), (5296, 35770), (5840, 32438), (6620, 28616), (7154, 26480), (7840, 24163), (8176, 23170), (9268, 20440), (10220, 18536), (10592, 17885), (11585, 16352), (11680, 16219), (13240, 14308)]