208739804

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 498718080

約数和(自身を除く): 289978276

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 61, 68, 79, 91, 98, 119, 122, 158, 182, 196, 221, 238, 244, 316, 364, 427, 442, 476, 553, 637, 793, 833, 854, 884, 1027, 1037, 1106, 1274, 1343, 1547, 1586, 1666, 1708, 2054, 2074, 2212, 2548, 2686, 2989, 3094, 3172, 3332, 3871, 4108, 4148, 4819, 5372, 5551, 5978, 6188, 7189, 7259, 7742, 9401, 9638, 10829, 11102, 11956, 13481, 14378, 14518, 15484, 17459, 18802, 19276, 21658, 22204, 26962, 28756, 29036, 33733, 34918, 37604, 38857, 43316, 50323, 50813, 53924, 62647, 65807, 67466, 69836, 77714, 81923, 94367, 100646, 101626, 122213, 125294, 131614, 134932, 155428, 163846, 188734, 201292, 203252, 236131, 244426, 250588, 263228, 327692, 377468, 438529, 472262, 488852, 573461, 660569, 855491, 877058, 944524, 1064999, 1146922, 1321138, 1710982, 1754116, 2129998, 2293844, 2642276, 3069703, 3421964, 4014227, 4259996, 6139406, 7454993, 8028454, 12278812, 14909986, 16056908, 29819972, 52184951, 104369902, 208739804]

約数ペア:

[(1, 208739804), (2, 104369902), (4, 52184951), (7, 29819972), (13, 16056908), (14, 14909986), (17, 12278812), (26, 8028454), (28, 7454993), (34, 6139406), (49, 4259996), (52, 4014227), (61, 3421964), (68, 3069703), (79, 2642276), (91, 2293844), (98, 2129998), (119, 1754116), (122, 1710982), (158, 1321138), (182, 1146922), (196, 1064999), (221, 944524), (238, 877058), (244, 855491), (316, 660569), (364, 573461), (427, 488852), (442, 472262), (476, 438529), (553, 377468), (637, 327692), (793, 263228), (833, 250588), (854, 244426), (884, 236131), (1027, 203252), (1037, 201292), (1106, 188734), (1274, 163846), (1343, 155428), (1547, 134932), (1586, 131614), (1666, 125294), (1708, 122213), (2054, 101626), (2074, 100646), (2212, 94367), (2548, 81923), (2686, 77714), (2989, 69836), (3094, 67466), (3172, 65807), (3332, 62647), (3871, 53924), (4108, 50813), (4148, 50323), (4819, 43316), (5372, 38857), (5551, 37604), (5978, 34918), (6188, 33733), (7189, 29036), (7259, 28756), (7742, 26962), (9401, 22204), (9638, 21658), (10829, 19276), (11102, 18802), (11956, 17459), (13481, 15484), (14378, 14518)]