78711350

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 150700176

約数和(自身を除く): 71988826

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 131, 197, 262, 305, 394, 610, 655, 985, 1310, 1525, 1970, 3050, 3275, 4925, 6550, 7991, 9850, 12017, 15982, 24034, 25807, 39955, 51614, 60085, 79910, 120170, 129035, 199775, 258070, 300425, 399550, 600850, 645175, 1290350, 1574227, 3148454, 7871135, 15742270, 39355675, 78711350]

約数ペア:

[(1, 78711350), (2, 39355675), (5, 15742270), (10, 7871135), (25, 3148454), (50, 1574227), (61, 1290350), (122, 645175), (131, 600850), (197, 399550), (262, 300425), (305, 258070), (394, 199775), (610, 129035), (655, 120170), (985, 79910), (1310, 60085), (1525, 51614), (1970, 39955), (3050, 25807), (3275, 24034), (4925, 15982), (6550, 12017), (7991, 9850)]