388660860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6563}}^1$

素因数の和:6632

約数の個数: 144

約数和(自身を含む): 1376234496

約数和(自身を除く): 987573636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1645, 1692, 1974, 2115, 2820, 2961, 3290, 3948, 4230, 4935, 5922, 6563, 6580, 8460, 9870, 11844, 13126, 14805, 19689, 19740, 26252, 29610, 32815, 39378, 45941, 59067, 59220, 65630, 78756, 91882, 98445, 118134, 131260, 137823, 183764, 196890, 229705, 236268, 275646, 295335, 308461, 393780, 413469, 459410, 551292, 590670, 616922, 689115, 826938, 918820, 925383, 1181340, 1233844, 1378230, 1542305, 1653876, 1850766, 2067345, 2159227, 2756460, 2776149, 3084610, 3701532, 4134690, 4318454, 4626915, 5552298, 6169220, 6477681, 8269380, 8636908, 9253830, 10796135, 11104596, 12955362, 13880745, 18507660, 19433043, 21592270, 25910724, 27761490, 32388405, 38866086, 43184540, 55522980, 64776810, 77732172, 97165215, 129553620, 194330430, 388660860]

約数ペア:

[(1, 388660860), (2, 194330430), (3, 129553620), (4, 97165215), (5, 77732172), (6, 64776810), (7, 55522980), (9, 43184540), (10, 38866086), (12, 32388405), (14, 27761490), (15, 25910724), (18, 21592270), (20, 19433043), (21, 18507660), (28, 13880745), (30, 12955362), (35, 11104596), (36, 10796135), (42, 9253830), (45, 8636908), (47, 8269380), (60, 6477681), (63, 6169220), (70, 5552298), (84, 4626915), (90, 4318454), (94, 4134690), (105, 3701532), (126, 3084610), (140, 2776149), (141, 2756460), (180, 2159227), (188, 2067345), (210, 1850766), (235, 1653876), (252, 1542305), (282, 1378230), (315, 1233844), (329, 1181340), (420, 925383), (423, 918820), (470, 826938), (564, 689115), (630, 616922), (658, 590670), (705, 551292), (846, 459410), (940, 413469), (987, 393780), (1260, 308461), (1316, 295335), (1410, 275646), (1645, 236268), (1692, 229705), (1974, 196890), (2115, 183764), (2820, 137823), (2961, 131260), (3290, 118134), (3948, 98445), (4230, 91882), (4935, 78756), (5922, 65630), (6563, 59220), (6580, 59067), (8460, 45941), (9870, 39378), (11844, 32815), (13126, 29610), (14805, 26252), (19689, 19740)]