19964037900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{863}}^1\times {\mathrm{2659}}^1$

素因数の和:3568

約数の個数: 144

約数和(自身を含む): 59846169600

約数和(自身を除く): 39882131700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 145, 150, 174, 290, 300, 348, 435, 580, 725, 863, 870, 1450, 1726, 1740, 2175, 2589, 2659, 2900, 3452, 4315, 4350, 5178, 5318, 7977, 8630, 8700, 10356, 10636, 12945, 13295, 15954, 17260, 21575, 25027, 25890, 26590, 31908, 39885, 43150, 50054, 51780, 53180, 64725, 66475, 75081, 77111, 79770, 86300, 100108, 125135, 129450, 132950, 150162, 154222, 159540, 199425, 231333, 250270, 258900, 265900, 300324, 308444, 375405, 385555, 398850, 462666, 500540, 625675, 750810, 771110, 797700, 925332, 1156665, 1251350, 1501620, 1542220, 1877025, 1927775, 2294717, 2313330, 2502700, 3754050, 3855550, 4589434, 4626660, 5783325, 6884151, 7508100, 7711100, 9178868, 11473585, 11566650, 13768302, 22947170, 23133300, 27536604, 34420755, 45894340, 57367925, 66546793, 68841510, 114735850, 133093586, 137683020, 172103775, 199640379, 229471700, 266187172, 332733965, 344207550, 399280758, 665467930, 688415100, 798561516, 998201895, 1330935860, 1663669825, 1996403790, 3327339650, 3992807580, 4991009475, 6654679300, 9982018950, 19964037900]

約数ペア:

[(1, 19964037900), (2, 9982018950), (3, 6654679300), (4, 4991009475), (5, 3992807580), (6, 3327339650), (10, 1996403790), (12, 1663669825), (15, 1330935860), (20, 998201895), (25, 798561516), (29, 688415100), (30, 665467930), (50, 399280758), (58, 344207550), (60, 332733965), (75, 266187172), (87, 229471700), (100, 199640379), (116, 172103775), (145, 137683020), (150, 133093586), (174, 114735850), (290, 68841510), (300, 66546793), (348, 57367925), (435, 45894340), (580, 34420755), (725, 27536604), (863, 23133300), (870, 22947170), (1450, 13768302), (1726, 11566650), (1740, 11473585), (2175, 9178868), (2589, 7711100), (2659, 7508100), (2900, 6884151), (3452, 5783325), (4315, 4626660), (4350, 4589434), (5178, 3855550), (5318, 3754050), (7977, 2502700), (8630, 2313330), (8700, 2294717), (10356, 1927775), (10636, 1877025), (12945, 1542220), (13295, 1501620), (15954, 1251350), (17260, 1156665), (21575, 925332), (25027, 797700), (25890, 771110), (26590, 750810), (31908, 625675), (39885, 500540), (43150, 462666), (50054, 398850), (51780, 385555), (53180, 375405), (64725, 308444), (66475, 300324), (75081, 265900), (77111, 258900), (79770, 250270), (86300, 231333), (100108, 199425), (125135, 159540), (129450, 154222), (132950, 150162)]