1898260

素因数分解:

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

素因数の和:185

約数の個数: 72

約数和(自身を含む): 5027400

約数和(自身を除く): 3129140

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, 364, 455, 490, 596, 637, 745, 910, 980, 1043, 1274, 1490, 1820, 1937, 2086, 2548, 2980, 3185, 3874, 4172, 5215, 6370, 7301, 7748, 9685, 10430, 12740, 13559, 14602, 19370, 20860, 27118, 29204, 36505, 38740, 54236, 67795, 73010, 94913, 135590, 146020, 189826, 271180, 379652, 474565, 949130, 1898260]

約数ペア:

[(1, 1898260), (2, 949130), (4, 474565), (5, 379652), (7, 271180), (10, 189826), (13, 146020), (14, 135590), (20, 94913), (26, 73010), (28, 67795), (35, 54236), (49, 38740), (52, 36505), (65, 29204), (70, 27118), (91, 20860), (98, 19370), (130, 14602), (140, 13559), (149, 12740), (182, 10430), (196, 9685), (245, 7748), (260, 7301), (298, 6370), (364, 5215), (455, 4172), (490, 3874), (596, 3185), (637, 2980), (745, 2548), (910, 2086), (980, 1937), (1043, 1820), (1274, 1490)]