388601895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 766402560

約数和(自身を除く): 377800665

約数列:

[1, 3, 5, 11, 15, 17, 31, 33, 41, 51, 55, 85, 93, 109, 123, 155, 165, 187, 205, 255, 327, 341, 451, 465, 527, 545, 561, 615, 697, 935, 1023, 1199, 1271, 1353, 1581, 1635, 1705, 1853, 2091, 2255, 2635, 2805, 3379, 3485, 3597, 3813, 4469, 5115, 5559, 5797, 5995, 6355, 6765, 7667, 7905, 9265, 10137, 10455, 13407, 13981, 16895, 17391, 17985, 19065, 20383, 21607, 22345, 23001, 27795, 28985, 37169, 38335, 41943, 49159, 50685, 57443, 61149, 64821, 67035, 69905, 75973, 86955, 101915, 108035, 111507, 115005, 138539, 147477, 172329, 185845, 209715, 227919, 237677, 245795, 287215, 305745, 324105, 379865, 415617, 557535, 631873, 692695, 713031, 737385, 835703, 861645, 1139595, 1188385, 1523929, 1895619, 2078085, 2355163, 2507109, 3159365, 3565155, 4178515, 4571787, 7065489, 7619645, 9478095, 11775815, 12535545, 22858935, 25906793, 35327445, 77720379, 129533965, 388601895]

約数ペア:

[(1, 388601895), (3, 129533965), (5, 77720379), (11, 35327445), (15, 25906793), (17, 22858935), (31, 12535545), (33, 11775815), (41, 9478095), (51, 7619645), (55, 7065489), (85, 4571787), (93, 4178515), (109, 3565155), (123, 3159365), (155, 2507109), (165, 2355163), (187, 2078085), (205, 1895619), (255, 1523929), (327, 1188385), (341, 1139595), (451, 861645), (465, 835703), (527, 737385), (545, 713031), (561, 692695), (615, 631873), (697, 557535), (935, 415617), (1023, 379865), (1199, 324105), (1271, 305745), (1353, 287215), (1581, 245795), (1635, 237677), (1705, 227919), (1853, 209715), (2091, 185845), (2255, 172329), (2635, 147477), (2805, 138539), (3379, 115005), (3485, 111507), (3597, 108035), (3813, 101915), (4469, 86955), (5115, 75973), (5559, 69905), (5797, 67035), (5995, 64821), (6355, 61149), (6765, 57443), (7667, 50685), (7905, 49159), (9265, 41943), (10137, 38335), (10455, 37169), (13407, 28985), (13981, 27795), (16895, 23001), (17391, 22345), (17985, 21607), (19065, 20383)]