199970680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 559198080

約数和(自身を除く): 359227400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 137, 140, 182, 260, 274, 280, 364, 401, 455, 520, 548, 685, 728, 802, 910, 959, 1096, 1370, 1604, 1781, 1820, 1918, 2005, 2740, 2807, 3208, 3562, 3640, 3836, 4010, 4795, 5213, 5480, 5614, 7124, 7672, 8020, 8905, 9590, 10426, 11228, 12467, 14035, 14248, 16040, 17810, 19180, 20852, 22456, 24934, 26065, 28070, 35620, 36491, 38360, 41704, 49868, 52130, 54937, 56140, 62335, 71240, 72982, 99736, 104260, 109874, 112280, 124670, 145964, 182455, 208520, 219748, 249340, 274685, 291928, 364910, 384559, 439496, 498680, 549370, 714181, 729820, 769118, 1098740, 1428362, 1459640, 1538236, 1922795, 2197480, 2856724, 3076472, 3570905, 3845590, 4999267, 5713448, 7141810, 7691180, 9998534, 14283620, 15382360, 19997068, 24996335, 28567240, 39994136, 49992670, 99985340, 199970680]

約数ペア:

[(1, 199970680), (2, 99985340), (4, 49992670), (5, 39994136), (7, 28567240), (8, 24996335), (10, 19997068), (13, 15382360), (14, 14283620), (20, 9998534), (26, 7691180), (28, 7141810), (35, 5713448), (40, 4999267), (52, 3845590), (56, 3570905), (65, 3076472), (70, 2856724), (91, 2197480), (104, 1922795), (130, 1538236), (137, 1459640), (140, 1428362), (182, 1098740), (260, 769118), (274, 729820), (280, 714181), (364, 549370), (401, 498680), (455, 439496), (520, 384559), (548, 364910), (685, 291928), (728, 274685), (802, 249340), (910, 219748), (959, 208520), (1096, 182455), (1370, 145964), (1604, 124670), (1781, 112280), (1820, 109874), (1918, 104260), (2005, 99736), (2740, 72982), (2807, 71240), (3208, 62335), (3562, 56140), (3640, 54937), (3836, 52130), (4010, 49868), (4795, 41704), (5213, 38360), (5480, 36491), (5614, 35620), (7124, 28070), (7672, 26065), (8020, 24934), (8905, 22456), (9590, 20852), (10426, 19180), (11228, 17810), (12467, 16040), (14035, 14248)]