213836980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 558472320

約数和(自身を除く): 344635340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 53, 70, 92, 98, 106, 115, 140, 161, 179, 196, 212, 230, 245, 265, 322, 358, 371, 460, 490, 530, 644, 716, 742, 805, 895, 980, 1060, 1127, 1219, 1253, 1484, 1610, 1790, 1855, 2254, 2438, 2506, 2597, 3220, 3580, 3710, 4117, 4508, 4876, 5012, 5194, 5635, 6095, 6265, 7420, 8234, 8533, 8771, 9487, 10388, 11270, 12190, 12530, 12985, 16468, 17066, 17542, 18974, 20585, 22540, 24380, 25060, 25970, 28819, 34132, 35084, 37948, 41170, 42665, 43855, 47435, 51940, 57638, 59731, 66409, 82340, 85330, 87710, 94870, 115276, 119462, 132818, 144095, 170660, 175420, 189740, 201733, 218201, 238924, 265636, 288190, 298655, 332045, 403466, 436402, 464863, 576380, 597310, 664090, 806932, 872804, 929726, 1008665, 1091005, 1194620, 1328180, 1527407, 1859452, 2017330, 2182010, 2324315, 3054814, 4034660, 4364020, 4648630, 6109628, 7637035, 9297260, 10691849, 15274070, 21383698, 30548140, 42767396, 53459245, 106918490, 213836980]

約数ペア:

[(1, 213836980), (2, 106918490), (4, 53459245), (5, 42767396), (7, 30548140), (10, 21383698), (14, 15274070), (20, 10691849), (23, 9297260), (28, 7637035), (35, 6109628), (46, 4648630), (49, 4364020), (53, 4034660), (70, 3054814), (92, 2324315), (98, 2182010), (106, 2017330), (115, 1859452), (140, 1527407), (161, 1328180), (179, 1194620), (196, 1091005), (212, 1008665), (230, 929726), (245, 872804), (265, 806932), (322, 664090), (358, 597310), (371, 576380), (460, 464863), (490, 436402), (530, 403466), (644, 332045), (716, 298655), (742, 288190), (805, 265636), (895, 238924), (980, 218201), (1060, 201733), (1127, 189740), (1219, 175420), (1253, 170660), (1484, 144095), (1610, 132818), (1790, 119462), (1855, 115276), (2254, 94870), (2438, 87710), (2506, 85330), (2597, 82340), (3220, 66409), (3580, 59731), (3710, 57638), (4117, 51940), (4508, 47435), (4876, 43855), (5012, 42665), (5194, 41170), (5635, 37948), (6095, 35084), (6265, 34132), (7420, 28819), (8234, 25970), (8533, 25060), (8771, 24380), (9487, 22540), (10388, 20585), (11270, 18974), (12190, 17542), (12530, 17066), (12985, 16468)]