208865556

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 581817600

約数和(自身を除く): 372952044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 47, 57, 73, 76, 89, 94, 114, 141, 146, 171, 178, 188, 219, 228, 267, 282, 292, 342, 356, 423, 438, 534, 564, 657, 684, 801, 846, 876, 893, 1068, 1314, 1387, 1602, 1691, 1692, 1786, 2628, 2679, 2774, 3204, 3382, 3431, 3572, 4161, 4183, 5073, 5358, 5548, 6497, 6764, 6862, 8037, 8322, 8366, 10146, 10293, 10716, 12483, 12549, 12994, 13724, 15219, 16074, 16644, 16732, 19491, 20292, 20586, 24966, 25098, 25988, 30438, 30879, 32148, 37647, 38982, 41172, 49932, 50196, 58473, 60876, 61758, 65189, 75294, 77964, 79477, 116946, 123443, 123516, 130378, 150588, 158954, 195567, 233892, 238431, 246886, 260756, 305359, 317908, 370329, 391134, 476862, 493772, 586701, 610718, 715293, 740658, 782268, 916077, 953724, 1110987, 1173402, 1221436, 1430586, 1481316, 1832154, 2221974, 2346804, 2748231, 2861172, 3664308, 4443948, 5496462, 5801821, 10992924, 11603642, 17405463, 23207284, 34810926, 52216389, 69621852, 104432778, 208865556]

約数ペア:

[(1, 208865556), (2, 104432778), (3, 69621852), (4, 52216389), (6, 34810926), (9, 23207284), (12, 17405463), (18, 11603642), (19, 10992924), (36, 5801821), (38, 5496462), (47, 4443948), (57, 3664308), (73, 2861172), (76, 2748231), (89, 2346804), (94, 2221974), (114, 1832154), (141, 1481316), (146, 1430586), (171, 1221436), (178, 1173402), (188, 1110987), (219, 953724), (228, 916077), (267, 782268), (282, 740658), (292, 715293), (342, 610718), (356, 586701), (423, 493772), (438, 476862), (534, 391134), (564, 370329), (657, 317908), (684, 305359), (801, 260756), (846, 246886), (876, 238431), (893, 233892), (1068, 195567), (1314, 158954), (1387, 150588), (1602, 130378), (1691, 123516), (1692, 123443), (1786, 116946), (2628, 79477), (2679, 77964), (2774, 75294), (3204, 65189), (3382, 61758), (3431, 60876), (3572, 58473), (4161, 50196), (4183, 49932), (5073, 41172), (5358, 38982), (5548, 37647), (6497, 32148), (6764, 30879), (6862, 30438), (8037, 25988), (8322, 25098), (8366, 24966), (10146, 20586), (10293, 20292), (10716, 19491), (12483, 16732), (12549, 16644), (12994, 16074), (13724, 15219)]