29970520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 69906240

約数和(自身を除く): 39935720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 142, 173, 244, 284, 305, 346, 355, 488, 568, 610, 692, 710, 865, 1220, 1384, 1420, 1730, 2440, 2840, 3460, 4331, 6920, 8662, 10553, 12283, 17324, 21106, 21655, 24566, 34648, 42212, 43310, 49132, 52765, 61415, 84424, 86620, 98264, 105530, 122830, 173240, 211060, 245660, 422120, 491320, 749263, 1498526, 2997052, 3746315, 5994104, 7492630, 14985260, 29970520]

約数ペア:

[(1, 29970520), (2, 14985260), (4, 7492630), (5, 5994104), (8, 3746315), (10, 2997052), (20, 1498526), (40, 749263), (61, 491320), (71, 422120), (122, 245660), (142, 211060), (173, 173240), (244, 122830), (284, 105530), (305, 98264), (346, 86620), (355, 84424), (488, 61415), (568, 52765), (610, 49132), (692, 43310), (710, 42212), (865, 34648), (1220, 24566), (1384, 21655), (1420, 21106), (1730, 17324), (2440, 12283), (2840, 10553), (3460, 8662), (4331, 6920)]