196474900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 447749120

約数和(自身を除く): 251274220

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 61, 62, 100, 122, 124, 155, 244, 305, 310, 610, 620, 775, 1039, 1220, 1525, 1550, 1891, 2078, 3050, 3100, 3782, 4156, 5195, 6100, 7564, 9455, 10390, 18910, 20780, 25975, 32209, 37820, 47275, 51950, 63379, 64418, 94550, 103900, 126758, 128836, 161045, 189100, 253516, 316895, 322090, 633790, 644180, 805225, 1267580, 1584475, 1610450, 1964749, 3168950, 3220900, 3929498, 6337900, 7858996, 9823745, 19647490, 39294980, 49118725, 98237450, 196474900]

約数ペア:

[(1, 196474900), (2, 98237450), (4, 49118725), (5, 39294980), (10, 19647490), (20, 9823745), (25, 7858996), (31, 6337900), (50, 3929498), (61, 3220900), (62, 3168950), (100, 1964749), (122, 1610450), (124, 1584475), (155, 1267580), (244, 805225), (305, 644180), (310, 633790), (610, 322090), (620, 316895), (775, 253516), (1039, 189100), (1220, 161045), (1525, 128836), (1550, 126758), (1891, 103900), (2078, 94550), (3050, 64418), (3100, 63379), (3782, 51950), (4156, 47275), (5195, 37820), (6100, 32209), (7564, 25975), (9455, 20780), (10390, 18910)]