4900040040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{18637}}^1$

素因数の和:18971

約数の個数: 128

約数和(自身を含む): 16854716160

約数和(自身を除く): 11954676120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 313, 420, 626, 840, 939, 1252, 1565, 1878, 2191, 2504, 3130, 3756, 4382, 4695, 6260, 6573, 7512, 8764, 9390, 10955, 12520, 13146, 17528, 18637, 18780, 21910, 26292, 32865, 37274, 37560, 43820, 52584, 55911, 65730, 74548, 87640, 93185, 111822, 130459, 131460, 149096, 186370, 223644, 260918, 262920, 279555, 372740, 391377, 447288, 521836, 559110, 652295, 745480, 782754, 1043672, 1118220, 1304590, 1565508, 1956885, 2236440, 2609180, 3131016, 3913770, 5218360, 5833381, 7827540, 11666762, 15655080, 17500143, 23333524, 29166905, 35000286, 40833667, 46667048, 58333810, 70000572, 81667334, 87500715, 116667620, 122501001, 140001144, 163334668, 175001430, 204168335, 233335240, 245002002, 326669336, 350002860, 408336670, 490004004, 612505005, 700005720, 816673340, 980008008, 1225010010, 1633346680, 2450020020, 4900040040]

約数ペア:

[(1, 4900040040), (2, 2450020020), (3, 1633346680), (4, 1225010010), (5, 980008008), (6, 816673340), (7, 700005720), (8, 612505005), (10, 490004004), (12, 408336670), (14, 350002860), (15, 326669336), (20, 245002002), (21, 233335240), (24, 204168335), (28, 175001430), (30, 163334668), (35, 140001144), (40, 122501001), (42, 116667620), (56, 87500715), (60, 81667334), (70, 70000572), (84, 58333810), (105, 46667048), (120, 40833667), (140, 35000286), (168, 29166905), (210, 23333524), (280, 17500143), (313, 15655080), (420, 11666762), (626, 7827540), (840, 5833381), (939, 5218360), (1252, 3913770), (1565, 3131016), (1878, 2609180), (2191, 2236440), (2504, 1956885), (3130, 1565508), (3756, 1304590), (4382, 1118220), (4695, 1043672), (6260, 782754), (6573, 745480), (7512, 652295), (8764, 559110), (9390, 521836), (10955, 447288), (12520, 391377), (13146, 372740), (17528, 279555), (18637, 262920), (18780, 260918), (21910, 223644), (26292, 186370), (32865, 149096), (37274, 131460), (37560, 130459), (43820, 111822), (52584, 93185), (55911, 87640), (65730, 74548)]