5402740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 13645800

約数和(自身を除く): 8243060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 149, 185, 196, 245, 259, 298, 370, 490, 518, 596, 740, 745, 980, 1036, 1043, 1295, 1490, 1813, 2086, 2590, 2980, 3626, 4172, 5180, 5215, 5513, 7252, 7301, 9065, 10430, 11026, 14602, 18130, 20860, 22052, 27565, 29204, 36260, 36505, 38591, 55130, 73010, 77182, 110260, 146020, 154364, 192955, 270137, 385910, 540274, 771820, 1080548, 1350685, 2701370, 5402740]

約数ペア:

[(1, 5402740), (2, 2701370), (4, 1350685), (5, 1080548), (7, 771820), (10, 540274), (14, 385910), (20, 270137), (28, 192955), (35, 154364), (37, 146020), (49, 110260), (70, 77182), (74, 73010), (98, 55130), (140, 38591), (148, 36505), (149, 36260), (185, 29204), (196, 27565), (245, 22052), (259, 20860), (298, 18130), (370, 14602), (490, 11026), (518, 10430), (596, 9065), (740, 7301), (745, 7252), (980, 5513), (1036, 5215), (1043, 5180), (1295, 4172), (1490, 3626), (1813, 2980), (2086, 2590)]