29309020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 74088000

約数和(自身を除く): 44778980

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 340, 349, 380, 442, 494, 646, 698, 884, 988, 1105, 1235, 1292, 1396, 1615, 1745, 2210, 2470, 3230, 3490, 4199, 4420, 4537, 4940, 5933, 6460, 6631, 6980, 8398, 9074, 11866, 13262, 16796, 18148, 20995, 22685, 23732, 26524, 29665, 33155, 41990, 45370, 59330, 66310, 77129, 83980, 86203, 90740, 112727, 118660, 132620, 154258, 172406, 225454, 308516, 344812, 385645, 431015, 450908, 563635, 771290, 862030, 1127270, 1465451, 1542580, 1724060, 2254540, 2930902, 5861804, 7327255, 14654510, 29309020]

約数ペア:

[(1, 29309020), (2, 14654510), (4, 7327255), (5, 5861804), (10, 2930902), (13, 2254540), (17, 1724060), (19, 1542580), (20, 1465451), (26, 1127270), (34, 862030), (38, 771290), (52, 563635), (65, 450908), (68, 431015), (76, 385645), (85, 344812), (95, 308516), (130, 225454), (170, 172406), (190, 154258), (221, 132620), (247, 118660), (260, 112727), (323, 90740), (340, 86203), (349, 83980), (380, 77129), (442, 66310), (494, 59330), (646, 45370), (698, 41990), (884, 33155), (988, 29665), (1105, 26524), (1235, 23732), (1292, 22685), (1396, 20995), (1615, 18148), (1745, 16796), (2210, 13262), (2470, 11866), (3230, 9074), (3490, 8398), (4199, 6980), (4420, 6631), (4537, 6460), (4940, 5933)]