218906190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2531}}^1$

素因数の和:2606

約数の個数: 72

約数和(自身を含む): 588340584

約数和(自身を除く): 369434394

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 961, 1395, 1922, 2531, 2790, 2883, 4805, 5062, 5766, 7593, 8649, 9610, 12655, 14415, 15186, 17298, 22779, 25310, 28830, 37965, 43245, 45558, 75930, 78461, 86490, 113895, 156922, 227790, 235383, 392305, 470766, 706149, 784610, 1176915, 1412298, 2353830, 2432291, 3530745, 4864582, 7061490, 7296873, 12161455, 14593746, 21890619, 24322910, 36484365, 43781238, 72968730, 109453095, 218906190]

約数ペア:

[(1, 218906190), (2, 109453095), (3, 72968730), (5, 43781238), (6, 36484365), (9, 24322910), (10, 21890619), (15, 14593746), (18, 12161455), (30, 7296873), (31, 7061490), (45, 4864582), (62, 3530745), (90, 2432291), (93, 2353830), (155, 1412298), (186, 1176915), (279, 784610), (310, 706149), (465, 470766), (558, 392305), (930, 235383), (961, 227790), (1395, 156922), (1922, 113895), (2531, 86490), (2790, 78461), (2883, 75930), (4805, 45558), (5062, 43245), (5766, 37965), (7593, 28830), (8649, 25310), (9610, 22779), (12655, 17298), (14415, 15186)]