30994180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{823}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 74753280

約数和(自身を除く): 43759100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 823, 1076, 1345, 1646, 1883, 2690, 3292, 3766, 4115, 5380, 5761, 7532, 8230, 9415, 11522, 16460, 18830, 23044, 28805, 37660, 57610, 115220, 221387, 442774, 885548, 1106935, 1549709, 2213870, 3099418, 4427740, 6198836, 7748545, 15497090, 30994180]

約数ペア:

[(1, 30994180), (2, 15497090), (4, 7748545), (5, 6198836), (7, 4427740), (10, 3099418), (14, 2213870), (20, 1549709), (28, 1106935), (35, 885548), (70, 442774), (140, 221387), (269, 115220), (538, 57610), (823, 37660), (1076, 28805), (1345, 23044), (1646, 18830), (1883, 16460), (2690, 11522), (3292, 9415), (3766, 8230), (4115, 7532), (5380, 5761)]