245099680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{218839}}^1$

素因数の和:218861

約数の個数: 48

約数和(自身を含む): 661772160

約数和(自身を除く): 416672480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 218839, 437678, 875356, 1094195, 1531873, 1750712, 2188390, 3063746, 3501424, 4376780, 6127492, 7002848, 7659365, 8753560, 12254984, 15318730, 17507120, 24509968, 30637460, 35014240, 49019936, 61274920, 122549840, 245099680]

約数ペア:

[(1, 245099680), (2, 122549840), (4, 61274920), (5, 49019936), (7, 35014240), (8, 30637460), (10, 24509968), (14, 17507120), (16, 15318730), (20, 12254984), (28, 8753560), (32, 7659365), (35, 7002848), (40, 6127492), (56, 4376780), (70, 3501424), (80, 3063746), (112, 2188390), (140, 1750712), (160, 1531873), (224, 1094195), (280, 875356), (560, 437678), (1120, 218839)]