205373940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 192

約数和(自身を含む): 646652160

約数和(自身を除く): 441278220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 53, 58, 60, 68, 85, 87, 102, 106, 116, 131, 145, 159, 170, 174, 204, 212, 255, 262, 265, 290, 318, 340, 348, 393, 435, 493, 510, 524, 530, 580, 636, 655, 786, 795, 870, 901, 986, 1020, 1060, 1310, 1479, 1537, 1572, 1590, 1740, 1802, 1965, 1972, 2227, 2465, 2620, 2703, 2958, 3074, 3180, 3604, 3799, 3930, 4454, 4505, 4611, 4930, 5406, 5916, 6148, 6681, 6943, 7395, 7598, 7685, 7860, 8908, 9010, 9222, 9860, 10812, 11135, 11397, 13362, 13515, 13886, 14790, 15196, 15370, 18020, 18444, 18995, 20829, 22270, 22794, 23055, 26129, 26724, 27030, 27772, 29580, 30740, 33405, 34715, 37990, 41658, 44540, 45588, 46110, 52258, 54060, 56985, 64583, 66810, 69430, 75980, 78387, 83316, 92220, 104145, 104516, 113970, 118031, 129166, 130645, 133620, 138860, 156774, 193749, 201347, 208290, 227940, 236062, 258332, 261290, 313548, 322915, 354093, 387498, 391935, 402694, 416580, 472124, 522580, 590155, 604041, 645830, 708186, 774996, 783870, 805388, 968745, 1006735, 1180310, 1208082, 1291660, 1416372, 1567740, 1770465, 1937490, 2013470, 2360620, 2416164, 3020205, 3422899, 3540930, 3874980, 4026940, 6040410, 6845798, 7081860, 10268697, 12080820, 13691596, 17114495, 20537394, 34228990, 41074788, 51343485, 68457980, 102686970, 205373940]

約数ペア:

[(1, 205373940), (2, 102686970), (3, 68457980), (4, 51343485), (5, 41074788), (6, 34228990), (10, 20537394), (12, 17114495), (15, 13691596), (17, 12080820), (20, 10268697), (29, 7081860), (30, 6845798), (34, 6040410), (51, 4026940), (53, 3874980), (58, 3540930), (60, 3422899), (68, 3020205), (85, 2416164), (87, 2360620), (102, 2013470), (106, 1937490), (116, 1770465), (131, 1567740), (145, 1416372), (159, 1291660), (170, 1208082), (174, 1180310), (204, 1006735), (212, 968745), (255, 805388), (262, 783870), (265, 774996), (290, 708186), (318, 645830), (340, 604041), (348, 590155), (393, 522580), (435, 472124), (493, 416580), (510, 402694), (524, 391935), (530, 387498), (580, 354093), (636, 322915), (655, 313548), (786, 261290), (795, 258332), (870, 236062), (901, 227940), (986, 208290), (1020, 201347), (1060, 193749), (1310, 156774), (1479, 138860), (1537, 133620), (1572, 130645), (1590, 129166), (1740, 118031), (1802, 113970), (1965, 104516), (1972, 104145), (2227, 92220), (2465, 83316), (2620, 78387), (2703, 75980), (2958, 69430), (3074, 66810), (3180, 64583), (3604, 56985), (3799, 54060), (3930, 52258), (4454, 46110), (4505, 45588), (4611, 44540), (4930, 41658), (5406, 37990), (5916, 34715), (6148, 33405), (6681, 30740), (6943, 29580), (7395, 27772), (7598, 27030), (7685, 26724), (7860, 26129), (8908, 23055), (9010, 22794), (9222, 22270), (9860, 20829), (10812, 18995), (11135, 18444), (11397, 18020), (13362, 15370), (13515, 15196), (13886, 14790)]