222721370

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^2$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 420220872

約数和(自身を除く): 197499502

約数列:

[1, 2, 5, 10, 53, 61, 83, 106, 122, 166, 265, 305, 415, 530, 610, 830, 3233, 4399, 5063, 6466, 6889, 8798, 10126, 13778, 16165, 21995, 25315, 32330, 34445, 43990, 50630, 68890, 268339, 365117, 420229, 536678, 730234, 840458, 1341695, 1825585, 2101145, 2683390, 3651170, 4202290, 22272137, 44544274, 111360685, 222721370]

約数ペア:

[(1, 222721370), (2, 111360685), (5, 44544274), (10, 22272137), (53, 4202290), (61, 3651170), (83, 2683390), (106, 2101145), (122, 1825585), (166, 1341695), (265, 840458), (305, 730234), (415, 536678), (530, 420229), (610, 365117), (830, 268339), (3233, 68890), (4399, 50630), (5063, 43990), (6466, 34445), (6889, 32330), (8798, 25315), (10126, 21995), (13778, 16165)]