219635180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1\times {\mathrm{541}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 472034304

約数和(自身を除く): 252399124

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 383, 530, 541, 766, 1060, 1082, 1532, 1915, 2164, 2705, 3830, 5410, 7660, 10820, 20299, 28673, 40598, 57346, 81196, 101495, 114692, 143365, 202990, 207203, 286730, 405980, 414406, 573460, 828812, 1036015, 2072030, 4144060, 10981759, 21963518, 43927036, 54908795, 109817590, 219635180]

約数ペア:

[(1, 219635180), (2, 109817590), (4, 54908795), (5, 43927036), (10, 21963518), (20, 10981759), (53, 4144060), (106, 2072030), (212, 1036015), (265, 828812), (383, 573460), (530, 414406), (541, 405980), (766, 286730), (1060, 207203), (1082, 202990), (1532, 143365), (1915, 114692), (2164, 101495), (2705, 81196), (3830, 57346), (5410, 40598), (7660, 28673), (10820, 20299)]