904278380540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{244021}}^1$

素因数の和:244243

約数の個数: 96

約数和(自身を含む): 2020267898880

約数和(自身を除く): 1115989518340

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 139, 155, 172, 215, 278, 310, 430, 556, 620, 695, 860, 1333, 1390, 2666, 2780, 4309, 5332, 5977, 6665, 8618, 11954, 13330, 17236, 21545, 23908, 26660, 29885, 43090, 59770, 86180, 119540, 185287, 244021, 370574, 488042, 741148, 926435, 976084, 1220105, 1852870, 2440210, 3705740, 4880420, 7564651, 10492903, 15129302, 20985806, 30258604, 33918919, 37823255, 41971612, 52464515, 67837838, 75646510, 104929030, 135675676, 151293020, 169594595, 209858060, 325279993, 339189190, 650559986, 678378380, 1051486489, 1301119972, 1458513517, 1626399965, 2102972978, 2917027034, 3252799930, 4205945956, 5257432445, 5834054068, 6505599860, 7292567585, 10514864890, 14585135170, 21029729780, 29170270340, 45213919027, 90427838054, 180855676108, 226069595135, 452139190270, 904278380540]

約数ペア:

[(1, 904278380540), (2, 452139190270), (4, 226069595135), (5, 180855676108), (10, 90427838054), (20, 45213919027), (31, 29170270340), (43, 21029729780), (62, 14585135170), (86, 10514864890), (124, 7292567585), (139, 6505599860), (155, 5834054068), (172, 5257432445), (215, 4205945956), (278, 3252799930), (310, 2917027034), (430, 2102972978), (556, 1626399965), (620, 1458513517), (695, 1301119972), (860, 1051486489), (1333, 678378380), (1390, 650559986), (2666, 339189190), (2780, 325279993), (4309, 209858060), (5332, 169594595), (5977, 151293020), (6665, 135675676), (8618, 104929030), (11954, 75646510), (13330, 67837838), (17236, 52464515), (21545, 41971612), (23908, 37823255), (26660, 33918919), (29885, 30258604), (43090, 20985806), (59770, 15129302), (86180, 10492903), (119540, 7564651), (185287, 4880420), (244021, 3705740), (370574, 2440210), (488042, 1852870), (741148, 1220105), (926435, 976084)]