388553325

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 689384448

約数和(自身を除く): 300831123

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 113, 127, 285, 339, 361, 381, 475, 565, 635, 1083, 1425, 1695, 1805, 1905, 2147, 2413, 2825, 3175, 5415, 6441, 7239, 8475, 9025, 9525, 10735, 12065, 14351, 27075, 32205, 36195, 40793, 43053, 45847, 53675, 60325, 71755, 122379, 137541, 161025, 180975, 203965, 215265, 229235, 272669, 358775, 611895, 687705, 818007, 1019825, 1076325, 1146175, 1363345, 3059475, 3438525, 4090035, 5180711, 6816725, 15542133, 20450175, 25903555, 77710665, 129517775, 388553325]

約数ペア:

[(1, 388553325), (3, 129517775), (5, 77710665), (15, 25903555), (19, 20450175), (25, 15542133), (57, 6816725), (75, 5180711), (95, 4090035), (113, 3438525), (127, 3059475), (285, 1363345), (339, 1146175), (361, 1076325), (381, 1019825), (475, 818007), (565, 687705), (635, 611895), (1083, 358775), (1425, 272669), (1695, 229235), (1805, 215265), (1905, 203965), (2147, 180975), (2413, 161025), (2825, 137541), (3175, 122379), (5415, 71755), (6441, 60325), (7239, 53675), (8475, 45847), (9025, 43053), (9525, 40793), (10735, 36195), (12065, 32205), (14351, 27075)]