13287820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 35280000

約数和(自身を除く): 21992180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 149, 182, 196, 245, 260, 298, 343, 364, 455, 490, 596, 637, 686, 745, 910, 980, 1043, 1274, 1372, 1490, 1715, 1820, 1937, 2086, 2548, 2980, 3185, 3430, 3874, 4172, 4459, 5215, 6370, 6860, 7301, 7748, 8918, 9685, 10430, 12740, 13559, 14602, 17836, 19370, 20860, 22295, 27118, 29204, 36505, 38740, 44590, 51107, 54236, 67795, 73010, 89180, 94913, 102214, 135590, 146020, 189826, 204428, 255535, 271180, 379652, 474565, 511070, 664391, 949130, 1022140, 1328782, 1898260, 2657564, 3321955, 6643910, 13287820]

約数ペア:

[(1, 13287820), (2, 6643910), (4, 3321955), (5, 2657564), (7, 1898260), (10, 1328782), (13, 1022140), (14, 949130), (20, 664391), (26, 511070), (28, 474565), (35, 379652), (49, 271180), (52, 255535), (65, 204428), (70, 189826), (91, 146020), (98, 135590), (130, 102214), (140, 94913), (149, 89180), (182, 73010), (196, 67795), (245, 54236), (260, 51107), (298, 44590), (343, 38740), (364, 36505), (455, 29204), (490, 27118), (596, 22295), (637, 20860), (686, 19370), (745, 17836), (910, 14602), (980, 13559), (1043, 12740), (1274, 10430), (1372, 9685), (1490, 8918), (1715, 7748), (1820, 7301), (1937, 6860), (2086, 6370), (2548, 5215), (2980, 4459), (3185, 4172), (3430, 3874)]