401744980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3109}}^1$

素因数の和:3209

約数の個数: 96

約数和(自身を含む): 1053319680

約数和(自身を除く): 651574700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 71, 91, 130, 140, 142, 182, 260, 284, 355, 364, 455, 497, 710, 910, 923, 994, 1420, 1820, 1846, 1988, 2485, 3109, 3692, 4615, 4970, 6218, 6461, 9230, 9940, 12436, 12922, 15545, 18460, 21763, 25844, 31090, 32305, 40417, 43526, 62180, 64610, 80834, 87052, 108815, 129220, 161668, 202085, 217630, 220739, 282919, 404170, 435260, 441478, 565838, 808340, 882956, 1103695, 1131676, 1414595, 1545173, 2207390, 2829190, 2869607, 3090346, 4414780, 5658380, 5739214, 6180692, 7725865, 11478428, 14348035, 15451730, 20087249, 28696070, 30903460, 40174498, 57392140, 80348996, 100436245, 200872490, 401744980]

約数ペア:

[(1, 401744980), (2, 200872490), (4, 100436245), (5, 80348996), (7, 57392140), (10, 40174498), (13, 30903460), (14, 28696070), (20, 20087249), (26, 15451730), (28, 14348035), (35, 11478428), (52, 7725865), (65, 6180692), (70, 5739214), (71, 5658380), (91, 4414780), (130, 3090346), (140, 2869607), (142, 2829190), (182, 2207390), (260, 1545173), (284, 1414595), (355, 1131676), (364, 1103695), (455, 882956), (497, 808340), (710, 565838), (910, 441478), (923, 435260), (994, 404170), (1420, 282919), (1820, 220739), (1846, 217630), (1988, 202085), (2485, 161668), (3109, 129220), (3692, 108815), (4615, 87052), (4970, 80834), (6218, 64610), (6461, 62180), (9230, 43526), (9940, 40417), (12436, 32305), (12922, 31090), (15545, 25844), (18460, 21763)]