217299770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:603

約数の個数: 64

約数和(自身を含む): 431308800

約数和(自身を除く): 214009030

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 79, 95, 155, 158, 190, 310, 395, 467, 589, 790, 934, 1178, 1501, 2335, 2449, 2945, 3002, 4670, 4898, 5890, 7505, 8873, 12245, 14477, 15010, 17746, 24490, 28954, 36893, 44365, 46531, 72385, 73786, 88730, 93062, 144770, 184465, 232655, 275063, 368930, 465310, 550126, 700967, 1143683, 1375315, 1401934, 2287366, 2750630, 3504835, 5718415, 7009670, 11436830, 21729977, 43459954, 108649885, 217299770]

約数ペア:

[(1, 217299770), (2, 108649885), (5, 43459954), (10, 21729977), (19, 11436830), (31, 7009670), (38, 5718415), (62, 3504835), (79, 2750630), (95, 2287366), (155, 1401934), (158, 1375315), (190, 1143683), (310, 700967), (395, 550126), (467, 465310), (589, 368930), (790, 275063), (934, 232655), (1178, 184465), (1501, 144770), (2335, 93062), (2449, 88730), (2945, 73786), (3002, 72385), (4670, 46531), (4898, 44365), (5890, 36893), (7505, 28954), (8873, 24490), (12245, 17746), (14477, 15010)]