205013375

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 311980032

約数和(自身を除く): 106966657

約数列:

[1, 5, 7, 23, 25, 35, 61, 115, 125, 161, 167, 175, 305, 427, 575, 805, 835, 875, 1169, 1403, 1525, 2135, 2875, 3841, 4025, 4175, 5845, 7015, 7625, 9821, 10187, 10675, 19205, 20125, 20875, 26887, 29225, 35075, 49105, 50935, 53375, 71309, 96025, 134435, 146125, 175375, 234301, 245525, 254675, 356545, 480125, 672175, 1171505, 1227625, 1273375, 1640107, 1782725, 3360875, 5857525, 8200535, 8913625, 29287625, 41002675, 205013375]

約数ペア:

[(1, 205013375), (5, 41002675), (7, 29287625), (23, 8913625), (25, 8200535), (35, 5857525), (61, 3360875), (115, 1782725), (125, 1640107), (161, 1273375), (167, 1227625), (175, 1171505), (305, 672175), (427, 480125), (575, 356545), (805, 254675), (835, 245525), (875, 234301), (1169, 175375), (1403, 146125), (1525, 134435), (2135, 96025), (2875, 71309), (3841, 53375), (4025, 50935), (4175, 49105), (5845, 35075), (7015, 29225), (7625, 26887), (9821, 20875), (10187, 20125), (10675, 19205)]