1900242520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1049}}^1$

素因数の和:1273

約数の個数: 128

約数和(自身を含む): 4898880000

約数和(自身を除く): 2998637480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 179, 184, 220, 230, 253, 358, 440, 460, 506, 716, 895, 920, 1012, 1049, 1265, 1432, 1790, 1969, 2024, 2098, 2530, 3580, 3938, 4117, 4196, 5060, 5245, 7160, 7876, 8234, 8392, 9845, 10120, 10490, 11539, 15752, 16468, 19690, 20585, 20980, 23078, 24127, 32936, 39380, 41170, 41960, 45287, 46156, 48254, 57695, 78760, 82340, 90574, 92312, 96508, 115390, 120635, 164680, 181148, 187771, 193016, 226435, 230780, 241270, 265397, 362296, 375542, 452870, 461560, 482540, 530794, 751084, 905740, 938855, 965080, 1061588, 1326985, 1502168, 1811480, 1877710, 2065481, 2123176, 2653970, 3755420, 4130962, 4318733, 5307940, 7510840, 8261924, 8637466, 10327405, 10615880, 16523848, 17274932, 20654810, 21593665, 34549864, 41309620, 43187330, 47506063, 82619240, 86374660, 95012126, 172749320, 190024252, 237530315, 380048504, 475060630, 950121260, 1900242520]

約数ペア:

[(1, 1900242520), (2, 950121260), (4, 475060630), (5, 380048504), (8, 237530315), (10, 190024252), (11, 172749320), (20, 95012126), (22, 86374660), (23, 82619240), (40, 47506063), (44, 43187330), (46, 41309620), (55, 34549864), (88, 21593665), (92, 20654810), (110, 17274932), (115, 16523848), (179, 10615880), (184, 10327405), (220, 8637466), (230, 8261924), (253, 7510840), (358, 5307940), (440, 4318733), (460, 4130962), (506, 3755420), (716, 2653970), (895, 2123176), (920, 2065481), (1012, 1877710), (1049, 1811480), (1265, 1502168), (1432, 1326985), (1790, 1061588), (1969, 965080), (2024, 938855), (2098, 905740), (2530, 751084), (3580, 530794), (3938, 482540), (4117, 461560), (4196, 452870), (5060, 375542), (5245, 362296), (7160, 265397), (7876, 241270), (8234, 230780), (8392, 226435), (9845, 193016), (10120, 187771), (10490, 181148), (11539, 164680), (15752, 120635), (16468, 115390), (19690, 96508), (20585, 92312), (20980, 90574), (23078, 82340), (24127, 78760), (32936, 57695), (39380, 48254), (41170, 46156), (41960, 45287)]