306522970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 614718720

約数和(自身を除く): 308195750

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 131, 205, 262, 410, 439, 533, 655, 878, 1066, 1310, 1703, 2195, 2665, 3406, 4390, 5330, 5371, 5707, 8515, 10742, 11414, 17030, 17999, 26855, 28535, 35998, 53710, 57070, 57509, 69823, 89995, 115018, 139646, 179990, 233987, 287545, 349115, 467974, 575090, 698230, 747617, 1169935, 1495234, 2339870, 2357869, 3738085, 4715738, 7476170, 11789345, 23578690, 30652297, 61304594, 153261485, 306522970]

約数ペア:

[(1, 306522970), (2, 153261485), (5, 61304594), (10, 30652297), (13, 23578690), (26, 11789345), (41, 7476170), (65, 4715738), (82, 3738085), (130, 2357869), (131, 2339870), (205, 1495234), (262, 1169935), (410, 747617), (439, 698230), (533, 575090), (655, 467974), (878, 349115), (1066, 287545), (1310, 233987), (1703, 179990), (2195, 139646), (2665, 115018), (3406, 89995), (4390, 69823), (5330, 57509), (5371, 57070), (5707, 53710), (8515, 35998), (10742, 28535), (11414, 26855), (17030, 17999)]