20174450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 40015296

約数和(自身を除く): 19840846

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 53, 106, 115, 230, 265, 331, 530, 575, 662, 1150, 1219, 1325, 1655, 2438, 2650, 3310, 6095, 7613, 8275, 12190, 15226, 16550, 17543, 30475, 35086, 38065, 60950, 76130, 87715, 175430, 190325, 380650, 403489, 438575, 806978, 877150, 2017445, 4034890, 10087225, 20174450]

約数ペア:

[(1, 20174450), (2, 10087225), (5, 4034890), (10, 2017445), (23, 877150), (25, 806978), (46, 438575), (50, 403489), (53, 380650), (106, 190325), (115, 175430), (230, 87715), (265, 76130), (331, 60950), (530, 38065), (575, 35086), (662, 30475), (1150, 17543), (1219, 16550), (1325, 15226), (1655, 12190), (2438, 8275), (2650, 7613), (3310, 6095)]