28350280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 77803200

約数和(自身を除く): 49452920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 73, 76, 95, 133, 140, 146, 152, 190, 266, 280, 292, 365, 380, 511, 532, 584, 665, 730, 760, 1022, 1064, 1330, 1387, 1460, 2044, 2555, 2660, 2774, 2920, 4088, 5110, 5320, 5329, 5548, 6935, 9709, 10220, 10658, 11096, 13870, 19418, 20440, 21316, 26645, 27740, 37303, 38836, 42632, 48545, 53290, 55480, 74606, 77672, 97090, 101251, 106580, 149212, 186515, 194180, 202502, 213160, 298424, 373030, 388360, 405004, 506255, 708757, 746060, 810008, 1012510, 1417514, 1492120, 2025020, 2835028, 3543785, 4050040, 5670056, 7087570, 14175140, 28350280]

約数ペア:

[(1, 28350280), (2, 14175140), (4, 7087570), (5, 5670056), (7, 4050040), (8, 3543785), (10, 2835028), (14, 2025020), (19, 1492120), (20, 1417514), (28, 1012510), (35, 810008), (38, 746060), (40, 708757), (56, 506255), (70, 405004), (73, 388360), (76, 373030), (95, 298424), (133, 213160), (140, 202502), (146, 194180), (152, 186515), (190, 149212), (266, 106580), (280, 101251), (292, 97090), (365, 77672), (380, 74606), (511, 55480), (532, 53290), (584, 48545), (665, 42632), (730, 38836), (760, 37303), (1022, 27740), (1064, 26645), (1330, 21316), (1387, 20440), (1460, 19418), (2044, 13870), (2555, 11096), (2660, 10658), (2774, 10220), (2920, 9709), (4088, 6935), (5110, 5548), (5320, 5329)]