61991450

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 119021400

約数和(自身を除く): 57029950

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 149, 157, 265, 298, 314, 530, 745, 785, 1325, 1490, 1570, 2650, 3725, 3925, 7450, 7850, 7897, 8321, 15794, 16642, 23393, 39485, 41605, 46786, 78970, 83210, 116965, 197425, 208025, 233930, 394850, 416050, 584825, 1169650, 1239829, 2479658, 6199145, 12398290, 30995725, 61991450]

約数ペア:

[(1, 61991450), (2, 30995725), (5, 12398290), (10, 6199145), (25, 2479658), (50, 1239829), (53, 1169650), (106, 584825), (149, 416050), (157, 394850), (265, 233930), (298, 208025), (314, 197425), (530, 116965), (745, 83210), (785, 78970), (1325, 46786), (1490, 41605), (1570, 39485), (2650, 23393), (3725, 16642), (3925, 15794), (7450, 8321), (7850, 7897)]