221999520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{462499}}^1$

素因数の和:462517

約数の個数: 48

約数和(自身を含む): 699300000

約数和(自身を除く): 477300480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 462499, 924998, 1387497, 1849996, 2312495, 2774994, 3699992, 4624990, 5549988, 6937485, 7399984, 9249980, 11099976, 13874970, 14799968, 18499960, 22199952, 27749940, 36999920, 44399904, 55499880, 73999840, 110999760, 221999520]

約数ペア:

[(1, 221999520), (2, 110999760), (3, 73999840), (4, 55499880), (5, 44399904), (6, 36999920), (8, 27749940), (10, 22199952), (12, 18499960), (15, 14799968), (16, 13874970), (20, 11099976), (24, 9249980), (30, 7399984), (32, 6937485), (40, 5549988), (48, 4624990), (60, 3699992), (80, 2774994), (96, 2312495), (120, 1849996), (160, 1387497), (240, 924998), (480, 462499)]