921000993880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3553793}}^1$

素因数の和:3553865

約数の個数: 128

約数和(自身を含む): 2456382412800

約数和(自身を除く): 1535381418920

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 88, 95, 110, 124, 152, 155, 190, 209, 220, 248, 310, 341, 380, 418, 440, 589, 620, 682, 760, 836, 1045, 1178, 1240, 1364, 1672, 1705, 2090, 2356, 2728, 2945, 3410, 4180, 4712, 5890, 6479, 6820, 8360, 11780, 12958, 13640, 23560, 25916, 32395, 51832, 64790, 129580, 259160, 3553793, 7107586, 14215172, 17768965, 28430344, 35537930, 39091723, 67522067, 71075860, 78183446, 110167583, 135044134, 142151720, 156366892, 195458615, 220335166, 270088268, 312733784, 337610335, 390917230, 440670332, 540176536, 550837915, 675220670, 742742737, 781834460, 881340664, 1101675830, 1211843413, 1350441340, 1485485474, 1563668920, 2093184077, 2203351660, 2423686826, 2700882680, 2970970948, 3713713685, 4186368154, 4406703320, 4847373652, 5941941896, 6059217065, 7427427370, 8372736308, 9694747304, 10465920385, 12118434130, 14854854740, 16745472616, 20931840770, 23025024847, 24236868260, 29709709480, 41863681540, 46050049694, 48473736520, 83727363080, 92100099388, 115125124235, 184200198776, 230250248470, 460500496940, 921000993880]

約数ペア:

[(1, 921000993880), (2, 460500496940), (4, 230250248470), (5, 184200198776), (8, 115125124235), (10, 92100099388), (11, 83727363080), (19, 48473736520), (20, 46050049694), (22, 41863681540), (31, 29709709480), (38, 24236868260), (40, 23025024847), (44, 20931840770), (55, 16745472616), (62, 14854854740), (76, 12118434130), (88, 10465920385), (95, 9694747304), (110, 8372736308), (124, 7427427370), (152, 6059217065), (155, 5941941896), (190, 4847373652), (209, 4406703320), (220, 4186368154), (248, 3713713685), (310, 2970970948), (341, 2700882680), (380, 2423686826), (418, 2203351660), (440, 2093184077), (589, 1563668920), (620, 1485485474), (682, 1350441340), (760, 1211843413), (836, 1101675830), (1045, 881340664), (1178, 781834460), (1240, 742742737), (1364, 675220670), (1672, 550837915), (1705, 540176536), (2090, 440670332), (2356, 390917230), (2728, 337610335), (2945, 312733784), (3410, 270088268), (4180, 220335166), (4712, 195458615), (5890, 156366892), (6479, 142151720), (6820, 135044134), (8360, 110167583), (11780, 78183446), (12958, 71075860), (13640, 67522067), (23560, 39091723), (25916, 35537930), (32395, 28430344), (51832, 17768965), (64790, 14215172), (129580, 7107586), (259160, 3553793)]