403898580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6947}}^1$

素因数の和:6998

約数の個数: 144

約数和(自身を含む): 1365698880

約数和(自身を除く): 961800300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 2907, 3060, 3230, 3420, 3876, 4845, 5814, 6460, 6947, 9690, 11628, 13894, 14535, 19380, 20841, 27788, 29070, 34735, 41682, 58140, 62523, 69470, 83364, 104205, 118099, 125046, 131993, 138940, 208410, 236198, 250092, 263986, 312615, 354297, 395979, 416820, 472396, 527972, 590495, 625230, 659965, 708594, 791958, 1062891, 1180990, 1187937, 1250460, 1319930, 1417188, 1583916, 1771485, 1979895, 2125782, 2243881, 2361980, 2375874, 2639860, 3542970, 3959790, 4251564, 4487762, 4751748, 5314455, 5939685, 6731643, 7085940, 7919580, 8975524, 10628910, 11219405, 11879370, 13463286, 20194929, 21257820, 22438810, 23758740, 26926572, 33658215, 40389858, 44877620, 67316430, 80779716, 100974645, 134632860, 201949290, 403898580]

約数ペア:

[(1, 403898580), (2, 201949290), (3, 134632860), (4, 100974645), (5, 80779716), (6, 67316430), (9, 44877620), (10, 40389858), (12, 33658215), (15, 26926572), (17, 23758740), (18, 22438810), (19, 21257820), (20, 20194929), (30, 13463286), (34, 11879370), (36, 11219405), (38, 10628910), (45, 8975524), (51, 7919580), (57, 7085940), (60, 6731643), (68, 5939685), (76, 5314455), (85, 4751748), (90, 4487762), (95, 4251564), (102, 3959790), (114, 3542970), (153, 2639860), (170, 2375874), (171, 2361980), (180, 2243881), (190, 2125782), (204, 1979895), (228, 1771485), (255, 1583916), (285, 1417188), (306, 1319930), (323, 1250460), (340, 1187937), (342, 1180990), (380, 1062891), (510, 791958), (570, 708594), (612, 659965), (646, 625230), (684, 590495), (765, 527972), (855, 472396), (969, 416820), (1020, 395979), (1140, 354297), (1292, 312615), (1530, 263986), (1615, 250092), (1710, 236198), (1938, 208410), (2907, 138940), (3060, 131993), (3230, 125046), (3420, 118099), (3876, 104205), (4845, 83364), (5814, 69470), (6460, 62523), (6947, 58140), (9690, 41682), (11628, 34735), (13894, 29070), (14535, 27788), (19380, 20841)]