1995458840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:194

約数の個数: 192

約数和(自身を含む): 5053337280

約数和(自身を除く): 3057878440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 37, 40, 46, 61, 62, 74, 92, 115, 122, 124, 148, 155, 184, 185, 230, 244, 248, 296, 305, 310, 370, 460, 488, 610, 620, 713, 740, 851, 920, 961, 1147, 1220, 1240, 1403, 1426, 1480, 1702, 1891, 1922, 2257, 2294, 2440, 2806, 2852, 3404, 3565, 3782, 3844, 4255, 4514, 4588, 4805, 5612, 5704, 5735, 6808, 7015, 7130, 7564, 7688, 8510, 9028, 9176, 9455, 9610, 11224, 11285, 11470, 14030, 14260, 15128, 17020, 18056, 18910, 19220, 22103, 22570, 22940, 26381, 28060, 28520, 34040, 35557, 37820, 38440, 43493, 44206, 45140, 45880, 51911, 52762, 56120, 58621, 69967, 71114, 75640, 86986, 88412, 90280, 103822, 105524, 110515, 117242, 131905, 139934, 142228, 173972, 176824, 177785, 207644, 211048, 217465, 221030, 234484, 259555, 263810, 279868, 284456, 293105, 347944, 349835, 355570, 415288, 434930, 442060, 468968, 519110, 527620, 559736, 586210, 699670, 711140, 817811, 869860, 884120, 1038220, 1055240, 1172420, 1348283, 1399340, 1422280, 1609241, 1635622, 1739720, 2076440, 2168977, 2344840, 2696566, 2798680, 3218482, 3271244, 4089055, 4337954, 5393132, 6436964, 6542488, 6741415, 8046205, 8178110, 8675908, 10786264, 10844885, 12873928, 13482830, 16092410, 16356220, 17351816, 21689770, 26965660, 32184820, 32712440, 43379540, 49886471, 53931320, 64369640, 86759080, 99772942, 199545884, 249432355, 399091768, 498864710, 997729420, 1995458840]

約数ペア:

[(1, 1995458840), (2, 997729420), (4, 498864710), (5, 399091768), (8, 249432355), (10, 199545884), (20, 99772942), (23, 86759080), (31, 64369640), (37, 53931320), (40, 49886471), (46, 43379540), (61, 32712440), (62, 32184820), (74, 26965660), (92, 21689770), (115, 17351816), (122, 16356220), (124, 16092410), (148, 13482830), (155, 12873928), (184, 10844885), (185, 10786264), (230, 8675908), (244, 8178110), (248, 8046205), (296, 6741415), (305, 6542488), (310, 6436964), (370, 5393132), (460, 4337954), (488, 4089055), (610, 3271244), (620, 3218482), (713, 2798680), (740, 2696566), (851, 2344840), (920, 2168977), (961, 2076440), (1147, 1739720), (1220, 1635622), (1240, 1609241), (1403, 1422280), (1426, 1399340), (1480, 1348283), (1702, 1172420), (1891, 1055240), (1922, 1038220), (2257, 884120), (2294, 869860), (2440, 817811), (2806, 711140), (2852, 699670), (3404, 586210), (3565, 559736), (3782, 527620), (3844, 519110), (4255, 468968), (4514, 442060), (4588, 434930), (4805, 415288), (5612, 355570), (5704, 349835), (5735, 347944), (6808, 293105), (7015, 284456), (7130, 279868), (7564, 263810), (7688, 259555), (8510, 234484), (9028, 221030), (9176, 217465), (9455, 211048), (9610, 207644), (11224, 177785), (11285, 176824), (11470, 173972), (14030, 142228), (14260, 139934), (15128, 131905), (17020, 117242), (18056, 110515), (18910, 105524), (19220, 103822), (22103, 90280), (22570, 88412), (22940, 86986), (26381, 75640), (28060, 71114), (28520, 69967), (34040, 58621), (35557, 56120), (37820, 52762), (38440, 51911), (43493, 45880), (44206, 45140)]