138471200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:419

約数の個数: 144

約数和(自身を含む): 392474880

約数和(自身を除く): 254003680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 79, 80, 100, 112, 140, 158, 160, 175, 200, 224, 280, 313, 316, 350, 395, 400, 553, 560, 626, 632, 700, 790, 800, 1106, 1120, 1252, 1264, 1400, 1565, 1580, 1975, 2191, 2212, 2504, 2528, 2765, 2800, 3130, 3160, 3950, 4382, 4424, 5008, 5530, 5600, 6260, 6320, 7825, 7900, 8764, 8848, 10016, 10955, 11060, 12520, 12640, 13825, 15650, 15800, 17528, 17696, 21910, 22120, 24727, 25040, 27650, 31300, 31600, 35056, 43820, 44240, 49454, 50080, 54775, 55300, 62600, 63200, 70112, 87640, 88480, 98908, 109550, 110600, 123635, 125200, 173089, 175280, 197816, 219100, 221200, 247270, 250400, 346178, 350560, 395632, 438200, 442400, 494540, 618175, 692356, 791264, 865445, 876400, 989080, 1236350, 1384712, 1730890, 1752800, 1978160, 2472700, 2769424, 3461780, 3956320, 4327225, 4945400, 5538848, 6923560, 8654450, 9890800, 13847120, 17308900, 19781600, 27694240, 34617800, 69235600, 138471200]

約数ペア:

[(1, 138471200), (2, 69235600), (4, 34617800), (5, 27694240), (7, 19781600), (8, 17308900), (10, 13847120), (14, 9890800), (16, 8654450), (20, 6923560), (25, 5538848), (28, 4945400), (32, 4327225), (35, 3956320), (40, 3461780), (50, 2769424), (56, 2472700), (70, 1978160), (79, 1752800), (80, 1730890), (100, 1384712), (112, 1236350), (140, 989080), (158, 876400), (160, 865445), (175, 791264), (200, 692356), (224, 618175), (280, 494540), (313, 442400), (316, 438200), (350, 395632), (395, 350560), (400, 346178), (553, 250400), (560, 247270), (626, 221200), (632, 219100), (700, 197816), (790, 175280), (800, 173089), (1106, 125200), (1120, 123635), (1252, 110600), (1264, 109550), (1400, 98908), (1565, 88480), (1580, 87640), (1975, 70112), (2191, 63200), (2212, 62600), (2504, 55300), (2528, 54775), (2765, 50080), (2800, 49454), (3130, 44240), (3160, 43820), (3950, 35056), (4382, 31600), (4424, 31300), (5008, 27650), (5530, 25040), (5600, 24727), (6260, 22120), (6320, 21910), (7825, 17696), (7900, 17528), (8764, 15800), (8848, 15650), (10016, 13825), (10955, 12640), (11060, 12520)]