78338920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7741}}^1$

素因数の和:7786

約数の個数: 64

約数和(自身を含む): 200672640

約数和(自身を除く): 122333720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 7741, 10120, 15482, 30964, 38705, 61928, 77410, 85151, 154820, 170302, 178043, 309640, 340604, 356086, 425755, 681208, 712172, 851510, 890215, 1424344, 1703020, 1780430, 1958473, 3406040, 3560860, 3916946, 7121720, 7833892, 9792365, 15667784, 19584730, 39169460, 78338920]

約数ペア:

[(1, 78338920), (2, 39169460), (4, 19584730), (5, 15667784), (8, 9792365), (10, 7833892), (11, 7121720), (20, 3916946), (22, 3560860), (23, 3406040), (40, 1958473), (44, 1780430), (46, 1703020), (55, 1424344), (88, 890215), (92, 851510), (110, 712172), (115, 681208), (184, 425755), (220, 356086), (230, 340604), (253, 309640), (440, 178043), (460, 170302), (506, 154820), (920, 85151), (1012, 77410), (1265, 61928), (2024, 38705), (2530, 30964), (5060, 15482), (7741, 10120)]