221808860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 621831168

約数和(自身を除く): 400022308

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 67, 68, 70, 85, 91, 107, 119, 130, 134, 140, 170, 182, 214, 221, 238, 260, 268, 335, 340, 364, 428, 442, 455, 469, 476, 535, 595, 670, 749, 871, 884, 910, 938, 1070, 1105, 1139, 1190, 1340, 1391, 1498, 1547, 1742, 1819, 1820, 1876, 2140, 2210, 2278, 2345, 2380, 2782, 2996, 3094, 3484, 3638, 3745, 4355, 4420, 4556, 4690, 5564, 5695, 6097, 6188, 6955, 7169, 7276, 7490, 7735, 7973, 8710, 9095, 9380, 9737, 11390, 12194, 12733, 13910, 14338, 14807, 14980, 15470, 15946, 17420, 18190, 19474, 22780, 23647, 24388, 25466, 27820, 28676, 29614, 30485, 30940, 31892, 35845, 36380, 38948, 39865, 47294, 48685, 50183, 50932, 59228, 60970, 63665, 71690, 74035, 79730, 93197, 94588, 97370, 100366, 103649, 118235, 121873, 121940, 127330, 143380, 148070, 159460, 165529, 186394, 194740, 200732, 207298, 236470, 243746, 250915, 254660, 296140, 331058, 372788, 414596, 465985, 472940, 487492, 501830, 518245, 609365, 652379, 662116, 827645, 853111, 931970, 1003660, 1036490, 1218730, 1304758, 1584349, 1655290, 1706222, 1863940, 2072980, 2437460, 2609516, 3168698, 3261895, 3310580, 3412444, 4265555, 6337396, 6523790, 7921745, 8531110, 11090443, 13047580, 15843490, 17062220, 22180886, 31686980, 44361772, 55452215, 110904430, 221808860]

約数ペア:

[(1, 221808860), (2, 110904430), (4, 55452215), (5, 44361772), (7, 31686980), (10, 22180886), (13, 17062220), (14, 15843490), (17, 13047580), (20, 11090443), (26, 8531110), (28, 7921745), (34, 6523790), (35, 6337396), (52, 4265555), (65, 3412444), (67, 3310580), (68, 3261895), (70, 3168698), (85, 2609516), (91, 2437460), (107, 2072980), (119, 1863940), (130, 1706222), (134, 1655290), (140, 1584349), (170, 1304758), (182, 1218730), (214, 1036490), (221, 1003660), (238, 931970), (260, 853111), (268, 827645), (335, 662116), (340, 652379), (364, 609365), (428, 518245), (442, 501830), (455, 487492), (469, 472940), (476, 465985), (535, 414596), (595, 372788), (670, 331058), (749, 296140), (871, 254660), (884, 250915), (910, 243746), (938, 236470), (1070, 207298), (1105, 200732), (1139, 194740), (1190, 186394), (1340, 165529), (1391, 159460), (1498, 148070), (1547, 143380), (1742, 127330), (1819, 121940), (1820, 121873), (1876, 118235), (2140, 103649), (2210, 100366), (2278, 97370), (2345, 94588), (2380, 93197), (2782, 79730), (2996, 74035), (3094, 71690), (3484, 63665), (3638, 60970), (3745, 59228), (4355, 50932), (4420, 50183), (4556, 48685), (4690, 47294), (5564, 39865), (5695, 38948), (6097, 36380), (6188, 35845), (6955, 31892), (7169, 30940), (7276, 30485), (7490, 29614), (7735, 28676), (7973, 27820), (8710, 25466), (9095, 24388), (9380, 23647), (9737, 22780), (11390, 19474), (12194, 18190), (12733, 17420), (13910, 15946), (14338, 15470), (14807, 14980)]