210175784

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 511795200

約数和(自身を除く): 301619416

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 67, 91, 104, 124, 134, 139, 182, 217, 248, 268, 278, 364, 403, 434, 469, 536, 556, 728, 806, 868, 871, 938, 973, 1112, 1612, 1736, 1742, 1807, 1876, 1946, 2077, 2821, 3224, 3484, 3614, 3752, 3892, 4154, 4309, 5642, 6097, 6968, 7228, 7784, 8308, 8618, 9313, 11284, 12194, 12649, 14456, 14539, 16616, 17236, 18626, 22568, 24388, 25298, 27001, 29078, 30163, 34472, 37252, 48776, 50596, 54002, 56017, 58156, 60326, 65191, 74504, 101192, 108004, 112034, 116312, 120652, 121069, 130382, 189007, 216008, 224068, 241304, 242138, 260764, 288703, 378014, 392119, 448136, 484276, 521528, 577406, 756028, 784238, 847483, 968552, 1154812, 1512056, 1568476, 1694966, 2020921, 2309624, 3136952, 3389932, 3753139, 4041842, 6779864, 7506278, 8083684, 15012556, 16167368, 26271973, 30025112, 52543946, 105087892, 210175784]

約数ペア:

[(1, 210175784), (2, 105087892), (4, 52543946), (7, 30025112), (8, 26271973), (13, 16167368), (14, 15012556), (26, 8083684), (28, 7506278), (31, 6779864), (52, 4041842), (56, 3753139), (62, 3389932), (67, 3136952), (91, 2309624), (104, 2020921), (124, 1694966), (134, 1568476), (139, 1512056), (182, 1154812), (217, 968552), (248, 847483), (268, 784238), (278, 756028), (364, 577406), (403, 521528), (434, 484276), (469, 448136), (536, 392119), (556, 378014), (728, 288703), (806, 260764), (868, 242138), (871, 241304), (938, 224068), (973, 216008), (1112, 189007), (1612, 130382), (1736, 121069), (1742, 120652), (1807, 116312), (1876, 112034), (1946, 108004), (2077, 101192), (2821, 74504), (3224, 65191), (3484, 60326), (3614, 58156), (3752, 56017), (3892, 54002), (4154, 50596), (4309, 48776), (5642, 37252), (6097, 34472), (6968, 30163), (7228, 29078), (7784, 27001), (8308, 25298), (8618, 24388), (9313, 22568), (11284, 18626), (12194, 17236), (12649, 16616), (14456, 14539)]