388297832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 873331200

約数和(自身を除く): 485033368

約数列:

[1, 2, 4, 8, 13, 19, 26, 37, 38, 47, 52, 74, 76, 94, 104, 113, 148, 152, 188, 226, 247, 296, 376, 452, 481, 494, 611, 703, 893, 904, 962, 988, 1222, 1406, 1469, 1739, 1786, 1924, 1976, 2147, 2444, 2812, 2938, 3478, 3572, 3848, 4181, 4294, 4888, 5311, 5624, 5876, 6956, 7144, 8362, 8588, 9139, 10622, 11609, 11752, 13912, 16724, 17176, 18278, 21244, 22607, 23218, 27911, 33041, 33448, 36556, 42488, 45214, 46436, 54353, 55822, 66082, 69043, 73112, 79439, 90428, 92872, 100909, 108706, 111644, 132164, 138086, 158878, 180856, 196507, 201818, 217412, 223288, 264328, 276172, 317756, 393014, 403636, 429533, 434824, 552344, 635512, 786028, 807272, 859066, 1032707, 1311817, 1572056, 1718132, 2065414, 2554591, 2623634, 3436264, 3733633, 4130828, 5109182, 5247268, 7467266, 8261656, 10218364, 10494536, 14934532, 20436728, 29869064, 48537229, 97074458, 194148916, 388297832]

約数ペア:

[(1, 388297832), (2, 194148916), (4, 97074458), (8, 48537229), (13, 29869064), (19, 20436728), (26, 14934532), (37, 10494536), (38, 10218364), (47, 8261656), (52, 7467266), (74, 5247268), (76, 5109182), (94, 4130828), (104, 3733633), (113, 3436264), (148, 2623634), (152, 2554591), (188, 2065414), (226, 1718132), (247, 1572056), (296, 1311817), (376, 1032707), (452, 859066), (481, 807272), (494, 786028), (611, 635512), (703, 552344), (893, 434824), (904, 429533), (962, 403636), (988, 393014), (1222, 317756), (1406, 276172), (1469, 264328), (1739, 223288), (1786, 217412), (1924, 201818), (1976, 196507), (2147, 180856), (2444, 158878), (2812, 138086), (2938, 132164), (3478, 111644), (3572, 108706), (3848, 100909), (4181, 92872), (4294, 90428), (4888, 79439), (5311, 73112), (5624, 69043), (5876, 66082), (6956, 55822), (7144, 54353), (8362, 46436), (8588, 45214), (9139, 42488), (10622, 36556), (11609, 33448), (11752, 33041), (13912, 27911), (16724, 23218), (17176, 22607), (18278, 21244)]