208195780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5303}}^1$

素因数の和:5476

約数の個数: 48

約数和(自身を含む): 474050304

約数和(自身を除く): 265854524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 755, 1510, 1963, 3020, 3926, 5303, 7852, 9815, 10606, 19630, 21212, 26515, 39260, 53030, 68939, 106060, 137878, 275756, 344695, 689390, 800753, 1378780, 1601506, 3203012, 4003765, 8007530, 10409789, 16015060, 20819578, 41639156, 52048945, 104097890, 208195780]

約数ペア:

[(1, 208195780), (2, 104097890), (4, 52048945), (5, 41639156), (10, 20819578), (13, 16015060), (20, 10409789), (26, 8007530), (52, 4003765), (65, 3203012), (130, 1601506), (151, 1378780), (260, 800753), (302, 689390), (604, 344695), (755, 275756), (1510, 137878), (1963, 106060), (3020, 68939), (3926, 53030), (5303, 39260), (7852, 26515), (9815, 21212), (10606, 19630)]