199318920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 628611840

約数和(自身を除く): 429292920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 257, 276, 281, 345, 460, 514, 552, 562, 690, 771, 843, 920, 1028, 1124, 1285, 1380, 1405, 1542, 1686, 2056, 2248, 2570, 2760, 2810, 3084, 3372, 3855, 4215, 5140, 5620, 5911, 6168, 6463, 6744, 7710, 8430, 10280, 11240, 11822, 12926, 15420, 16860, 17733, 19389, 23644, 25852, 29555, 30840, 32315, 33720, 35466, 38778, 47288, 51704, 59110, 64630, 70932, 72217, 77556, 88665, 96945, 118220, 129260, 141864, 144434, 155112, 177330, 193890, 216651, 236440, 258520, 288868, 354660, 361085, 387780, 433302, 577736, 709320, 722170, 775560, 866604, 1083255, 1444340, 1660991, 1733208, 2166510, 2888680, 3321982, 4333020, 4982973, 6643964, 8304955, 8666040, 9965946, 13287928, 16609910, 19931892, 24914865, 33219820, 39863784, 49829730, 66439640, 99659460, 199318920]

約数ペア:

[(1, 199318920), (2, 99659460), (3, 66439640), (4, 49829730), (5, 39863784), (6, 33219820), (8, 24914865), (10, 19931892), (12, 16609910), (15, 13287928), (20, 9965946), (23, 8666040), (24, 8304955), (30, 6643964), (40, 4982973), (46, 4333020), (60, 3321982), (69, 2888680), (92, 2166510), (115, 1733208), (120, 1660991), (138, 1444340), (184, 1083255), (230, 866604), (257, 775560), (276, 722170), (281, 709320), (345, 577736), (460, 433302), (514, 387780), (552, 361085), (562, 354660), (690, 288868), (771, 258520), (843, 236440), (920, 216651), (1028, 193890), (1124, 177330), (1285, 155112), (1380, 144434), (1405, 141864), (1542, 129260), (1686, 118220), (2056, 96945), (2248, 88665), (2570, 77556), (2760, 72217), (2810, 70932), (3084, 64630), (3372, 59110), (3855, 51704), (4215, 47288), (5140, 38778), (5620, 35466), (5911, 33720), (6168, 32315), (6463, 30840), (6744, 29555), (7710, 25852), (8430, 23644), (10280, 19389), (11240, 17733), (11822, 16860), (12926, 15420)]