28963480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 82051200

約数和(自身を除く): 53087720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 109, 130, 140, 146, 182, 218, 260, 280, 292, 364, 365, 436, 455, 511, 520, 545, 584, 728, 730, 763, 872, 910, 949, 1022, 1090, 1417, 1460, 1526, 1820, 1898, 2044, 2180, 2555, 2834, 2920, 3052, 3640, 3796, 3815, 4088, 4360, 4745, 5110, 5668, 6104, 6643, 7085, 7592, 7630, 7957, 9490, 9919, 10220, 11336, 13286, 14170, 15260, 15914, 18980, 19838, 20440, 26572, 28340, 30520, 31828, 33215, 37960, 39676, 39785, 49595, 53144, 55699, 56680, 63656, 66430, 79352, 79570, 99190, 103441, 111398, 132860, 159140, 198380, 206882, 222796, 265720, 278495, 318280, 396760, 413764, 445592, 517205, 556990, 724087, 827528, 1034410, 1113980, 1448174, 2068820, 2227960, 2896348, 3620435, 4137640, 5792696, 7240870, 14481740, 28963480]

約数ペア:

[(1, 28963480), (2, 14481740), (4, 7240870), (5, 5792696), (7, 4137640), (8, 3620435), (10, 2896348), (13, 2227960), (14, 2068820), (20, 1448174), (26, 1113980), (28, 1034410), (35, 827528), (40, 724087), (52, 556990), (56, 517205), (65, 445592), (70, 413764), (73, 396760), (91, 318280), (104, 278495), (109, 265720), (130, 222796), (140, 206882), (146, 198380), (182, 159140), (218, 132860), (260, 111398), (280, 103441), (292, 99190), (364, 79570), (365, 79352), (436, 66430), (455, 63656), (511, 56680), (520, 55699), (545, 53144), (584, 49595), (728, 39785), (730, 39676), (763, 37960), (872, 33215), (910, 31828), (949, 30520), (1022, 28340), (1090, 26572), (1417, 20440), (1460, 19838), (1526, 18980), (1820, 15914), (1898, 15260), (2044, 14170), (2180, 13286), (2555, 11336), (2834, 10220), (2920, 9919), (3052, 9490), (3640, 7957), (3796, 7630), (3815, 7592), (4088, 7085), (4360, 6643), (4745, 6104), (5110, 5668)]