247904020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 690923520

約数和(自身を除く): 443019500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 67, 70, 76, 91, 95, 107, 130, 133, 134, 140, 182, 190, 214, 247, 260, 266, 268, 335, 364, 380, 428, 455, 469, 494, 532, 535, 665, 670, 749, 871, 910, 938, 988, 1070, 1235, 1273, 1330, 1340, 1391, 1498, 1729, 1742, 1820, 1876, 2033, 2140, 2345, 2470, 2546, 2660, 2782, 2996, 3458, 3484, 3745, 4066, 4355, 4690, 4940, 5092, 5564, 6097, 6365, 6916, 6955, 7169, 7490, 8132, 8645, 8710, 8911, 9380, 9737, 10165, 12194, 12730, 13910, 14231, 14338, 14980, 16549, 17290, 17420, 17822, 19474, 20330, 24388, 25460, 26429, 27820, 28462, 28676, 30485, 33098, 34580, 35644, 35845, 38948, 40660, 44555, 48685, 50183, 52858, 56924, 60970, 66196, 71155, 71690, 82745, 89110, 93197, 97370, 100366, 105716, 115843, 121940, 132145, 136211, 142310, 143380, 165490, 178220, 185003, 186394, 194740, 200732, 231686, 250915, 264290, 272422, 284620, 330980, 370006, 372788, 463372, 465985, 501830, 528580, 544844, 579215, 652379, 681055, 740012, 925015, 931970, 953477, 1003660, 1158430, 1304758, 1362110, 1770743, 1850030, 1863940, 1906954, 2316860, 2609516, 2724220, 3261895, 3541486, 3700060, 3813908, 4767385, 6523790, 7082972, 8853715, 9534770, 12395201, 13047580, 17707430, 19069540, 24790402, 35414860, 49580804, 61976005, 123952010, 247904020]

約数ペア:

[(1, 247904020), (2, 123952010), (4, 61976005), (5, 49580804), (7, 35414860), (10, 24790402), (13, 19069540), (14, 17707430), (19, 13047580), (20, 12395201), (26, 9534770), (28, 8853715), (35, 7082972), (38, 6523790), (52, 4767385), (65, 3813908), (67, 3700060), (70, 3541486), (76, 3261895), (91, 2724220), (95, 2609516), (107, 2316860), (130, 1906954), (133, 1863940), (134, 1850030), (140, 1770743), (182, 1362110), (190, 1304758), (214, 1158430), (247, 1003660), (260, 953477), (266, 931970), (268, 925015), (335, 740012), (364, 681055), (380, 652379), (428, 579215), (455, 544844), (469, 528580), (494, 501830), (532, 465985), (535, 463372), (665, 372788), (670, 370006), (749, 330980), (871, 284620), (910, 272422), (938, 264290), (988, 250915), (1070, 231686), (1235, 200732), (1273, 194740), (1330, 186394), (1340, 185003), (1391, 178220), (1498, 165490), (1729, 143380), (1742, 142310), (1820, 136211), (1876, 132145), (2033, 121940), (2140, 115843), (2345, 105716), (2470, 100366), (2546, 97370), (2660, 93197), (2782, 89110), (2996, 82745), (3458, 71690), (3484, 71155), (3745, 66196), (4066, 60970), (4355, 56924), (4690, 52858), (4940, 50183), (5092, 48685), (5564, 44555), (6097, 40660), (6365, 38948), (6916, 35845), (6955, 35644), (7169, 34580), (7490, 33098), (8132, 30485), (8645, 28676), (8710, 28462), (8911, 27820), (9380, 26429), (9737, 25460), (10165, 24388), (12194, 20330), (12730, 19474), (13910, 17822), (14231, 17420), (14338, 17290), (14980, 16549)]