189561280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 112

約数和(自身を含む): 473147136

約数和(自身を除く): 283585856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 97, 124, 155, 160, 194, 197, 248, 310, 320, 388, 394, 485, 496, 620, 776, 788, 970, 985, 992, 1240, 1552, 1576, 1940, 1970, 1984, 2480, 3007, 3104, 3152, 3880, 3940, 4960, 6014, 6107, 6208, 6304, 7760, 7880, 9920, 12028, 12214, 12608, 15035, 15520, 15760, 19109, 24056, 24428, 30070, 30535, 31040, 31520, 38218, 48112, 48856, 60140, 61070, 63040, 76436, 95545, 96224, 97712, 120280, 122140, 152872, 191090, 192448, 195424, 240560, 244280, 305744, 382180, 390848, 481120, 488560, 592379, 611488, 764360, 962240, 977120, 1184758, 1222976, 1528720, 1954240, 2369516, 2961895, 3057440, 4739032, 5923790, 6114880, 9478064, 11847580, 18956128, 23695160, 37912256, 47390320, 94780640, 189561280]

約数ペア:

[(1, 189561280), (2, 94780640), (4, 47390320), (5, 37912256), (8, 23695160), (10, 18956128), (16, 11847580), (20, 9478064), (31, 6114880), (32, 5923790), (40, 4739032), (62, 3057440), (64, 2961895), (80, 2369516), (97, 1954240), (124, 1528720), (155, 1222976), (160, 1184758), (194, 977120), (197, 962240), (248, 764360), (310, 611488), (320, 592379), (388, 488560), (394, 481120), (485, 390848), (496, 382180), (620, 305744), (776, 244280), (788, 240560), (970, 195424), (985, 192448), (992, 191090), (1240, 152872), (1552, 122140), (1576, 120280), (1940, 97712), (1970, 96224), (1984, 95545), (2480, 76436), (3007, 63040), (3104, 61070), (3152, 60140), (3880, 48856), (3940, 48112), (4960, 38218), (6014, 31520), (6107, 31040), (6208, 30535), (6304, 30070), (7760, 24428), (7880, 24056), (9920, 19109), (12028, 15760), (12214, 15520), (12608, 15035)]