78498940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{359}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 184373280

約数和(自身を除く): 105874340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 359, 377, 580, 718, 754, 841, 1436, 1508, 1682, 1795, 1885, 3364, 3590, 3770, 4205, 4667, 7180, 7540, 8410, 9334, 10411, 10933, 16820, 18668, 20822, 21866, 23335, 41644, 43732, 46670, 52055, 54665, 93340, 104110, 109330, 135343, 208220, 218660, 270686, 301919, 541372, 603838, 676715, 1207676, 1353430, 1509595, 2706860, 3019190, 3924947, 6038380, 7849894, 15699788, 19624735, 39249470, 78498940]

約数ペア:

[(1, 78498940), (2, 39249470), (4, 19624735), (5, 15699788), (10, 7849894), (13, 6038380), (20, 3924947), (26, 3019190), (29, 2706860), (52, 1509595), (58, 1353430), (65, 1207676), (116, 676715), (130, 603838), (145, 541372), (260, 301919), (290, 270686), (359, 218660), (377, 208220), (580, 135343), (718, 109330), (754, 104110), (841, 93340), (1436, 54665), (1508, 52055), (1682, 46670), (1795, 43732), (1885, 41644), (3364, 23335), (3590, 21866), (3770, 20822), (4205, 18668), (4667, 16820), (7180, 10933), (7540, 10411), (8410, 9334)]