28695320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2268

約数の個数: 64

約数和(自身を含む): 71992800

約数和(自身を除く): 43297480

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2221, 2584, 3230, 4442, 6460, 8884, 11105, 12920, 17768, 22210, 37757, 42199, 44420, 75514, 84398, 88840, 151028, 168796, 188785, 210995, 302056, 337592, 377570, 421990, 717383, 755140, 843980, 1434766, 1510280, 1687960, 2869532, 3586915, 5739064, 7173830, 14347660, 28695320]

約数ペア:

[(1, 28695320), (2, 14347660), (4, 7173830), (5, 5739064), (8, 3586915), (10, 2869532), (17, 1687960), (19, 1510280), (20, 1434766), (34, 843980), (38, 755140), (40, 717383), (68, 421990), (76, 377570), (85, 337592), (95, 302056), (136, 210995), (152, 188785), (170, 168796), (190, 151028), (323, 88840), (340, 84398), (380, 75514), (646, 44420), (680, 42199), (760, 37757), (1292, 22210), (1615, 17768), (2221, 12920), (2584, 11105), (3230, 8884), (4442, 6460)]