395389190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 891371520

約数和(自身を除く): 495982330

約数列:

[1, 2, 5, 7, 10, 14, 29, 31, 35, 58, 61, 62, 70, 103, 122, 145, 155, 203, 206, 217, 290, 305, 310, 406, 427, 434, 515, 610, 721, 854, 899, 1015, 1030, 1085, 1442, 1769, 1798, 1891, 2030, 2135, 2170, 2987, 3193, 3538, 3605, 3782, 4270, 4495, 5974, 6283, 6293, 6386, 7210, 8845, 8990, 9455, 12383, 12566, 12586, 13237, 14935, 15965, 17690, 18910, 20909, 22351, 24766, 26474, 29870, 31415, 31465, 31930, 41818, 43981, 44702, 54839, 61915, 62830, 62930, 66185, 87962, 92597, 104545, 109678, 111755, 123830, 132370, 182207, 185194, 194773, 209090, 219905, 223510, 274195, 364414, 383873, 389546, 439810, 462985, 548390, 648179, 767746, 911035, 925970, 973865, 1275449, 1296358, 1363411, 1822070, 1919365, 1947730, 2550898, 2726822, 3240895, 3838730, 5648417, 6377245, 6481790, 6817055, 11296834, 12754490, 13634110, 28242085, 39538919, 56484170, 79077838, 197694595, 395389190]

約数ペア:

[(1, 395389190), (2, 197694595), (5, 79077838), (7, 56484170), (10, 39538919), (14, 28242085), (29, 13634110), (31, 12754490), (35, 11296834), (58, 6817055), (61, 6481790), (62, 6377245), (70, 5648417), (103, 3838730), (122, 3240895), (145, 2726822), (155, 2550898), (203, 1947730), (206, 1919365), (217, 1822070), (290, 1363411), (305, 1296358), (310, 1275449), (406, 973865), (427, 925970), (434, 911035), (515, 767746), (610, 648179), (721, 548390), (854, 462985), (899, 439810), (1015, 389546), (1030, 383873), (1085, 364414), (1442, 274195), (1769, 223510), (1798, 219905), (1891, 209090), (2030, 194773), (2135, 185194), (2170, 182207), (2987, 132370), (3193, 123830), (3538, 111755), (3605, 109678), (3782, 104545), (4270, 92597), (4495, 87962), (5974, 66185), (6283, 62930), (6293, 62830), (6386, 61915), (7210, 54839), (8845, 44702), (8990, 43981), (9455, 41818), (12383, 31930), (12566, 31465), (12586, 31415), (13237, 29870), (14935, 26474), (15965, 24766), (17690, 22351), (18910, 20909)]