199229120

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:778

約数の個数: 112

約数和(自身を含む): 512539488

約数和(自身を除く): 313310368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 64, 68, 80, 85, 106, 136, 160, 170, 212, 265, 272, 320, 340, 424, 530, 544, 680, 691, 848, 901, 1060, 1088, 1360, 1382, 1696, 1802, 2120, 2720, 2764, 3392, 3455, 3604, 4240, 4505, 5440, 5528, 6910, 7208, 8480, 9010, 11056, 11747, 13820, 14416, 16960, 18020, 22112, 23494, 27640, 28832, 36040, 36623, 44224, 46988, 55280, 57664, 58735, 72080, 73246, 93976, 110560, 117470, 144160, 146492, 183115, 187952, 221120, 234940, 288320, 292984, 366230, 375904, 469880, 585968, 622591, 732460, 751808, 939760, 1171936, 1245182, 1464920, 1879520, 2343872, 2490364, 2929840, 3112955, 3759040, 4980728, 5859680, 6225910, 9961456, 11719360, 12451820, 19922912, 24903640, 39845824, 49807280, 99614560, 199229120]

約数ペア:

[(1, 199229120), (2, 99614560), (4, 49807280), (5, 39845824), (8, 24903640), (10, 19922912), (16, 12451820), (17, 11719360), (20, 9961456), (32, 6225910), (34, 5859680), (40, 4980728), (53, 3759040), (64, 3112955), (68, 2929840), (80, 2490364), (85, 2343872), (106, 1879520), (136, 1464920), (160, 1245182), (170, 1171936), (212, 939760), (265, 751808), (272, 732460), (320, 622591), (340, 585968), (424, 469880), (530, 375904), (544, 366230), (680, 292984), (691, 288320), (848, 234940), (901, 221120), (1060, 187952), (1088, 183115), (1360, 146492), (1382, 144160), (1696, 117470), (1802, 110560), (2120, 93976), (2720, 73246), (2764, 72080), (3392, 58735), (3455, 57664), (3604, 55280), (4240, 46988), (4505, 44224), (5440, 36623), (5528, 36040), (6910, 28832), (7208, 27640), (8480, 23494), (9010, 22112), (11056, 18020), (11747, 16960), (13820, 14416)]