28811940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 87381504

約数和(自身を除く): 58569564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 47, 51, 60, 68, 85, 94, 102, 141, 170, 188, 204, 235, 255, 282, 340, 470, 510, 564, 601, 705, 799, 940, 1020, 1202, 1410, 1598, 1803, 2397, 2404, 2820, 3005, 3196, 3606, 3995, 4794, 6010, 7212, 7990, 9015, 9588, 10217, 11985, 12020, 15980, 18030, 20434, 23970, 28247, 30651, 36060, 40868, 47940, 51085, 56494, 61302, 84741, 102170, 112988, 122604, 141235, 153255, 169482, 204340, 282470, 306510, 338964, 423705, 480199, 564940, 613020, 847410, 960398, 1440597, 1694820, 1920796, 2400995, 2881194, 4801990, 5762388, 7202985, 9603980, 14405970, 28811940]

約数ペア:

[(1, 28811940), (2, 14405970), (3, 9603980), (4, 7202985), (5, 5762388), (6, 4801990), (10, 2881194), (12, 2400995), (15, 1920796), (17, 1694820), (20, 1440597), (30, 960398), (34, 847410), (47, 613020), (51, 564940), (60, 480199), (68, 423705), (85, 338964), (94, 306510), (102, 282470), (141, 204340), (170, 169482), (188, 153255), (204, 141235), (235, 122604), (255, 112988), (282, 102170), (340, 84741), (470, 61302), (510, 56494), (564, 51085), (601, 47940), (705, 40868), (799, 36060), (940, 30651), (1020, 28247), (1202, 23970), (1410, 20434), (1598, 18030), (1803, 15980), (2397, 12020), (2404, 11985), (2820, 10217), (3005, 9588), (3196, 9015), (3606, 7990), (3995, 7212), (4794, 6010)]