78381950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:933

約数の個数: 48

約数和(自身を含む): 153144960

約数和(自身を除く): 74763010

約数列:

[1, 2, 5, 10, 25, 31, 50, 61, 62, 122, 155, 305, 310, 610, 775, 829, 1525, 1550, 1658, 1891, 3050, 3782, 4145, 8290, 9455, 18910, 20725, 25699, 41450, 47275, 50569, 51398, 94550, 101138, 128495, 252845, 256990, 505690, 642475, 1264225, 1284950, 1567639, 2528450, 3135278, 7838195, 15676390, 39190975, 78381950]

約数ペア:

[(1, 78381950), (2, 39190975), (5, 15676390), (10, 7838195), (25, 3135278), (31, 2528450), (50, 1567639), (61, 1284950), (62, 1264225), (122, 642475), (155, 505690), (305, 256990), (310, 252845), (610, 128495), (775, 101138), (829, 94550), (1525, 51398), (1550, 50569), (1658, 47275), (1891, 41450), (3050, 25699), (3782, 20725), (4145, 18910), (8290, 9455)]