1796781000980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{58631}}^1\times {\mathrm{31271}}^1$

素因数の和:89925

約数の個数: 72

約数和(自身を含む): 4389494530176

約数和(自身を除く): 2592713529196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31271, 58631, 62542, 117262, 125084, 156355, 218897, 234524, 293155, 312710, 410417, 437794, 586310, 625420, 820834, 875588, 1094485, 1172620, 1532279, 1641668, 2052085, 2188970, 2872919, 3064558, 4104170, 4377940, 5745838, 6129116, 7661395, 8208340, 11491676, 14364595, 15322790, 28729190, 30645580, 57458380, 1833450001, 3666900002, 7333800004, 9167250005, 12834150007, 18334500010, 25668300014, 36669000020, 51336600028, 64170750035, 89839050049, 128341500070, 179678100098, 256683000140, 359356200196, 449195250245, 898390500490, 1796781000980]

約数ペア:

[(1, 1796781000980), (2, 898390500490), (4, 449195250245), (5, 359356200196), (7, 256683000140), (10, 179678100098), (14, 128341500070), (20, 89839050049), (28, 64170750035), (35, 51336600028), (49, 36669000020), (70, 25668300014), (98, 18334500010), (140, 12834150007), (196, 9167250005), (245, 7333800004), (490, 3666900002), (980, 1833450001), (31271, 57458380), (58631, 30645580), (62542, 28729190), (117262, 15322790), (125084, 14364595), (156355, 11491676), (218897, 8208340), (234524, 7661395), (293155, 6129116), (312710, 5745838), (410417, 4377940), (437794, 4104170), (586310, 3064558), (625420, 2872919), (820834, 2188970), (875588, 2052085), (1094485, 1641668), (1172620, 1532279)]