408148728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2293

約数の個数: 128

約数和(自身を含む): 1194547200

約数和(自身を除く): 786398472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 104, 114, 124, 152, 156, 186, 228, 247, 248, 312, 372, 403, 456, 494, 589, 741, 744, 806, 988, 1178, 1209, 1482, 1612, 1767, 1976, 2221, 2356, 2418, 2964, 3224, 3534, 4442, 4712, 4836, 5928, 6663, 7068, 7657, 8884, 9672, 13326, 14136, 15314, 17768, 22971, 26652, 28873, 30628, 42199, 45942, 53304, 57746, 61256, 68851, 84398, 86619, 91884, 115492, 126597, 137702, 168796, 173238, 183768, 206553, 230984, 253194, 275404, 337592, 346476, 413106, 506388, 548587, 550808, 692952, 826212, 895063, 1012776, 1097174, 1308169, 1645761, 1652424, 1790126, 2194348, 2616338, 2685189, 3291522, 3580252, 3924507, 4388696, 5232676, 5370378, 6583044, 7160504, 7849014, 10465352, 10740756, 13166088, 15698028, 17006197, 21481512, 31396056, 34012394, 51018591, 68024788, 102037182, 136049576, 204074364, 408148728]

約数ペア:

[(1, 408148728), (2, 204074364), (3, 136049576), (4, 102037182), (6, 68024788), (8, 51018591), (12, 34012394), (13, 31396056), (19, 21481512), (24, 17006197), (26, 15698028), (31, 13166088), (38, 10740756), (39, 10465352), (52, 7849014), (57, 7160504), (62, 6583044), (76, 5370378), (78, 5232676), (93, 4388696), (104, 3924507), (114, 3580252), (124, 3291522), (152, 2685189), (156, 2616338), (186, 2194348), (228, 1790126), (247, 1652424), (248, 1645761), (312, 1308169), (372, 1097174), (403, 1012776), (456, 895063), (494, 826212), (589, 692952), (741, 550808), (744, 548587), (806, 506388), (988, 413106), (1178, 346476), (1209, 337592), (1482, 275404), (1612, 253194), (1767, 230984), (1976, 206553), (2221, 183768), (2356, 173238), (2418, 168796), (2964, 137702), (3224, 126597), (3534, 115492), (4442, 91884), (4712, 86619), (4836, 84398), (5928, 68851), (6663, 61256), (7068, 57746), (7657, 53304), (8884, 45942), (9672, 42199), (13326, 30628), (14136, 28873), (15314, 26652), (17768, 22971)]