205343880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{244457}}^1$

素因数の和:244478

約数の個数: 64

約数和(自身を含む): 704039040

約数和(自身を除く): 498695160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 244457, 488914, 733371, 977828, 1222285, 1466742, 1711199, 1955656, 2444570, 2933484, 3422398, 3666855, 4889140, 5133597, 5866968, 6844796, 7333710, 8555995, 9778280, 10267194, 13689592, 14667420, 17111990, 20534388, 25667985, 29334840, 34223980, 41068776, 51335970, 68447960, 102671940, 205343880]

約数ペア:

[(1, 205343880), (2, 102671940), (3, 68447960), (4, 51335970), (5, 41068776), (6, 34223980), (7, 29334840), (8, 25667985), (10, 20534388), (12, 17111990), (14, 14667420), (15, 13689592), (20, 10267194), (21, 9778280), (24, 8555995), (28, 7333710), (30, 6844796), (35, 5866968), (40, 5133597), (42, 4889140), (56, 3666855), (60, 3422398), (70, 2933484), (84, 2444570), (105, 1955656), (120, 1711199), (140, 1466742), (168, 1222285), (210, 977828), (280, 733371), (420, 488914), (840, 244457)]