204480784

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 423455040

約数和(自身を除く): 218974256

約数列:

[1, 2, 4, 8, 16, 53, 59, 61, 67, 106, 118, 122, 134, 212, 236, 244, 268, 424, 472, 488, 536, 848, 944, 976, 1072, 3127, 3233, 3551, 3599, 3953, 4087, 6254, 6466, 7102, 7198, 7906, 8174, 12508, 12932, 14204, 14396, 15812, 16348, 25016, 25864, 28408, 28792, 31624, 32696, 50032, 51728, 56816, 57584, 63248, 65392, 190747, 209509, 216611, 241133, 381494, 419018, 433222, 482266, 762988, 838036, 866444, 964532, 1525976, 1676072, 1732888, 1929064, 3051952, 3352144, 3465776, 3858128, 12780049, 25560098, 51120196, 102240392, 204480784]

約数ペア:

[(1, 204480784), (2, 102240392), (4, 51120196), (8, 25560098), (16, 12780049), (53, 3858128), (59, 3465776), (61, 3352144), (67, 3051952), (106, 1929064), (118, 1732888), (122, 1676072), (134, 1525976), (212, 964532), (236, 866444), (244, 838036), (268, 762988), (424, 482266), (472, 433222), (488, 419018), (536, 381494), (848, 241133), (944, 216611), (976, 209509), (1072, 190747), (3127, 65392), (3233, 63248), (3551, 57584), (3599, 56816), (3953, 51728), (4087, 50032), (6254, 32696), (6466, 31624), (7102, 28792), (7198, 28408), (7906, 25864), (8174, 25016), (12508, 16348), (12932, 15812), (14204, 14396)]