491050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 1107072

約数和(自身を除く): 616022

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 61, 70, 115, 122, 161, 175, 230, 305, 322, 350, 427, 575, 610, 805, 854, 1150, 1403, 1525, 1610, 2135, 2806, 3050, 4025, 4270, 7015, 8050, 9821, 10675, 14030, 19642, 21350, 35075, 49105, 70150, 98210, 245525, 491050]

約数ペア:

[(1, 491050), (2, 245525), (5, 98210), (7, 70150), (10, 49105), (14, 35075), (23, 21350), (25, 19642), (35, 14030), (46, 10675), (50, 9821), (61, 8050), (70, 7015), (115, 4270), (122, 4025), (161, 3050), (175, 2806), (230, 2135), (305, 1610), (322, 1525), (350, 1403), (427, 1150), (575, 854), (610, 805)]