39903990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 128

約数和(自身を含む): 117642240

約数和(自身を除く): 77738250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 73, 95, 105, 114, 133, 137, 146, 190, 210, 219, 266, 274, 285, 365, 399, 411, 438, 511, 570, 665, 685, 730, 798, 822, 959, 1022, 1095, 1330, 1370, 1387, 1533, 1918, 1995, 2055, 2190, 2555, 2603, 2774, 2877, 3066, 3990, 4110, 4161, 4795, 5110, 5206, 5754, 6935, 7665, 7809, 8322, 9590, 9709, 10001, 13015, 13870, 14385, 15330, 15618, 18221, 19418, 20002, 20805, 26030, 28770, 29127, 30003, 36442, 39045, 41610, 48545, 50005, 54663, 58254, 60006, 70007, 78090, 91105, 97090, 100010, 109326, 140014, 145635, 150015, 182210, 190019, 210021, 273315, 291270, 300030, 350035, 380038, 420042, 546630, 570057, 700070, 950095, 1050105, 1140114, 1330133, 1900190, 2100210, 2660266, 2850285, 3990399, 5700570, 6650665, 7980798, 13301330, 19951995, 39903990]

約数ペア:

[(1, 39903990), (2, 19951995), (3, 13301330), (5, 7980798), (6, 6650665), (7, 5700570), (10, 3990399), (14, 2850285), (15, 2660266), (19, 2100210), (21, 1900190), (30, 1330133), (35, 1140114), (38, 1050105), (42, 950095), (57, 700070), (70, 570057), (73, 546630), (95, 420042), (105, 380038), (114, 350035), (133, 300030), (137, 291270), (146, 273315), (190, 210021), (210, 190019), (219, 182210), (266, 150015), (274, 145635), (285, 140014), (365, 109326), (399, 100010), (411, 97090), (438, 91105), (511, 78090), (570, 70007), (665, 60006), (685, 58254), (730, 54663), (798, 50005), (822, 48545), (959, 41610), (1022, 39045), (1095, 36442), (1330, 30003), (1370, 29127), (1387, 28770), (1533, 26030), (1918, 20805), (1995, 20002), (2055, 19418), (2190, 18221), (2555, 15618), (2603, 15330), (2774, 14385), (2877, 13870), (3066, 13015), (3990, 10001), (4110, 9709), (4161, 9590), (4795, 8322), (5110, 7809), (5206, 7665), (5754, 6935)]