156979149820

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1823}}^1\times {\mathrm{9719}}^1$

素因数の和:11994

約数の個数: 48

約数和(自身を含む): 330615613440

約数和(自身を除く): 173636463620

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 1823, 2215, 3646, 4430, 7292, 8860, 9115, 9719, 18230, 19438, 36460, 38876, 48595, 97190, 194380, 807589, 1615178, 3230356, 4037945, 4305517, 8075890, 8611034, 16151780, 17222068, 17717737, 21527585, 35435474, 43055170, 70870948, 86110340, 88588685, 177177370, 354354740, 7848957491, 15697914982, 31395829964, 39244787455, 78489574910, 156979149820]

約数ペア:

[(1, 156979149820), (2, 78489574910), (4, 39244787455), (5, 31395829964), (10, 15697914982), (20, 7848957491), (443, 354354740), (886, 177177370), (1772, 88588685), (1823, 86110340), (2215, 70870948), (3646, 43055170), (4430, 35435474), (7292, 21527585), (8860, 17717737), (9115, 17222068), (9719, 16151780), (18230, 8611034), (19438, 8075890), (36460, 4305517), (38876, 4037945), (48595, 3230356), (97190, 1615178), (194380, 807589)]