996989480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 2449958400

約数和(自身を除く): 1452968920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 79, 85, 134, 136, 158, 170, 268, 277, 316, 335, 340, 395, 536, 554, 632, 670, 680, 790, 1108, 1139, 1340, 1343, 1385, 1580, 2216, 2278, 2680, 2686, 2770, 3160, 4556, 4709, 5293, 5372, 5540, 5695, 6715, 9112, 9418, 10586, 10744, 11080, 11390, 13430, 18559, 18836, 21172, 21883, 22780, 23545, 26465, 26860, 37118, 37672, 42344, 43766, 45560, 47090, 52930, 53720, 74236, 87532, 89981, 92795, 94180, 105860, 109415, 148472, 175064, 179962, 185590, 188360, 211720, 218830, 315503, 359924, 371180, 372011, 437660, 449905, 631006, 719848, 742360, 744022, 875320, 899810, 1262012, 1466161, 1488044, 1577515, 1799620, 1860055, 2524024, 2932322, 2976088, 3155030, 3599240, 3720110, 5864644, 6310060, 7330805, 7440220, 11729288, 12620120, 14661610, 14880440, 24924737, 29323220, 49849474, 58646440, 99698948, 124623685, 199397896, 249247370, 498494740, 996989480]

約数ペア:

[(1, 996989480), (2, 498494740), (4, 249247370), (5, 199397896), (8, 124623685), (10, 99698948), (17, 58646440), (20, 49849474), (34, 29323220), (40, 24924737), (67, 14880440), (68, 14661610), (79, 12620120), (85, 11729288), (134, 7440220), (136, 7330805), (158, 6310060), (170, 5864644), (268, 3720110), (277, 3599240), (316, 3155030), (335, 2976088), (340, 2932322), (395, 2524024), (536, 1860055), (554, 1799620), (632, 1577515), (670, 1488044), (680, 1466161), (790, 1262012), (1108, 899810), (1139, 875320), (1340, 744022), (1343, 742360), (1385, 719848), (1580, 631006), (2216, 449905), (2278, 437660), (2680, 372011), (2686, 371180), (2770, 359924), (3160, 315503), (4556, 218830), (4709, 211720), (5293, 188360), (5372, 185590), (5540, 179962), (5695, 175064), (6715, 148472), (9112, 109415), (9418, 105860), (10586, 94180), (10744, 92795), (11080, 89981), (11390, 87532), (13430, 74236), (18559, 53720), (18836, 52930), (21172, 47090), (21883, 45560), (22780, 43766), (23545, 42344), (26465, 37672), (26860, 37118)]