204390420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11393}}^1$

素因数の和:11441

約数の個数: 96

約数和(自身を含む): 643168512

約数和(自身を除く): 438778092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1196, 1380, 1495, 1794, 2990, 3588, 4485, 5980, 8970, 11393, 17940, 22786, 34179, 45572, 56965, 68358, 113930, 136716, 148109, 170895, 227860, 262039, 296218, 341790, 444327, 524078, 592436, 683580, 740545, 786117, 888654, 1048156, 1310195, 1481090, 1572234, 1777308, 2221635, 2620390, 2962180, 3144468, 3406507, 3930585, 4443270, 5240780, 6813014, 7861170, 8886540, 10219521, 13626028, 15722340, 17032535, 20439042, 34065070, 40878084, 51097605, 68130140, 102195210, 204390420]

約数ペア:

[(1, 204390420), (2, 102195210), (3, 68130140), (4, 51097605), (5, 40878084), (6, 34065070), (10, 20439042), (12, 17032535), (13, 15722340), (15, 13626028), (20, 10219521), (23, 8886540), (26, 7861170), (30, 6813014), (39, 5240780), (46, 4443270), (52, 3930585), (60, 3406507), (65, 3144468), (69, 2962180), (78, 2620390), (92, 2221635), (115, 1777308), (130, 1572234), (138, 1481090), (156, 1310195), (195, 1048156), (230, 888654), (260, 786117), (276, 740545), (299, 683580), (345, 592436), (390, 524078), (460, 444327), (598, 341790), (690, 296218), (780, 262039), (897, 227860), (1196, 170895), (1380, 148109), (1495, 136716), (1794, 113930), (2990, 68358), (3588, 56965), (4485, 45572), (5980, 34179), (8970, 22786), (11393, 17940)]