30312980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 67488960

約数和(自身を除く): 37175980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 241, 331, 380, 482, 662, 964, 1205, 1324, 1655, 2410, 3310, 4579, 4820, 6289, 6620, 9158, 12578, 18316, 22895, 25156, 31445, 45790, 62890, 79771, 91580, 125780, 159542, 319084, 398855, 797710, 1515649, 1595420, 3031298, 6062596, 7578245, 15156490, 30312980]

約数ペア:

[(1, 30312980), (2, 15156490), (4, 7578245), (5, 6062596), (10, 3031298), (19, 1595420), (20, 1515649), (38, 797710), (76, 398855), (95, 319084), (190, 159542), (241, 125780), (331, 91580), (380, 79771), (482, 62890), (662, 45790), (964, 31445), (1205, 25156), (1324, 22895), (1655, 18316), (2410, 12578), (3310, 9158), (4579, 6620), (4820, 6289)]