389853520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1389

約数の個数: 160

約数和(自身を含む): 1133070336

約数和(自身を除く): 743216816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 170, 217, 238, 248, 272, 280, 310, 340, 434, 476, 496, 527, 560, 595, 620, 680, 868, 952, 1054, 1085, 1190, 1240, 1321, 1360, 1736, 1904, 2108, 2170, 2380, 2480, 2635, 2642, 3472, 3689, 4216, 4340, 4760, 5270, 5284, 6605, 7378, 8432, 8680, 9247, 9520, 10540, 10568, 13210, 14756, 17360, 18445, 18494, 21080, 21136, 22457, 26420, 29512, 36890, 36988, 40951, 42160, 44914, 46235, 52840, 59024, 73780, 73976, 81902, 89828, 92470, 105680, 112285, 147560, 147952, 157199, 163804, 179656, 184940, 204755, 224570, 286657, 295120, 314398, 327608, 359312, 369880, 409510, 449140, 573314, 628796, 655216, 696167, 739760, 785995, 819020, 898280, 1146628, 1257592, 1392334, 1433285, 1571990, 1638040, 1796560, 2293256, 2515184, 2784668, 2866570, 3143980, 3276080, 3480835, 4586512, 4873169, 5569336, 5733140, 6287960, 6961670, 9746338, 11138672, 11466280, 12575920, 13923340, 19492676, 22932560, 24365845, 27846680, 38985352, 48731690, 55693360, 77970704, 97463380, 194926760, 389853520]

約数ペア:

[(1, 389853520), (2, 194926760), (4, 97463380), (5, 77970704), (7, 55693360), (8, 48731690), (10, 38985352), (14, 27846680), (16, 24365845), (17, 22932560), (20, 19492676), (28, 13923340), (31, 12575920), (34, 11466280), (35, 11138672), (40, 9746338), (56, 6961670), (62, 6287960), (68, 5733140), (70, 5569336), (80, 4873169), (85, 4586512), (112, 3480835), (119, 3276080), (124, 3143980), (136, 2866570), (140, 2784668), (155, 2515184), (170, 2293256), (217, 1796560), (238, 1638040), (248, 1571990), (272, 1433285), (280, 1392334), (310, 1257592), (340, 1146628), (434, 898280), (476, 819020), (496, 785995), (527, 739760), (560, 696167), (595, 655216), (620, 628796), (680, 573314), (868, 449140), (952, 409510), (1054, 369880), (1085, 359312), (1190, 327608), (1240, 314398), (1321, 295120), (1360, 286657), (1736, 224570), (1904, 204755), (2108, 184940), (2170, 179656), (2380, 163804), (2480, 157199), (2635, 147952), (2642, 147560), (3472, 112285), (3689, 105680), (4216, 92470), (4340, 89828), (4760, 81902), (5270, 73976), (5284, 73780), (6605, 59024), (7378, 52840), (8432, 46235), (8680, 44914), (9247, 42160), (9520, 40951), (10540, 36988), (10568, 36890), (13210, 29512), (14756, 26420), (17360, 22457), (18445, 21136), (18494, 21080)]