56228420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 123379200

約数和(自身を除く): 67150780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1019, 1780, 2038, 2759, 4076, 5095, 5518, 10190, 11036, 13795, 20380, 27590, 31589, 55180, 63178, 90691, 126356, 157945, 181382, 315890, 362764, 453455, 631780, 906910, 1813820, 2811421, 5622842, 11245684, 14057105, 28114210, 56228420]

約数ペア:

[(1, 56228420), (2, 28114210), (4, 14057105), (5, 11245684), (10, 5622842), (20, 2811421), (31, 1813820), (62, 906910), (89, 631780), (124, 453455), (155, 362764), (178, 315890), (310, 181382), (356, 157945), (445, 126356), (620, 90691), (890, 63178), (1019, 55180), (1780, 31589), (2038, 27590), (2759, 20380), (4076, 13795), (5095, 11036), (5518, 10190)]