388979640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{22051}}^1$

素因数の和:22082

約数の個数: 144

約数和(自身を含む): 1470647880

約数和(自身を除く): 1081668240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 22051, 44102, 66153, 88204, 110255, 132306, 154357, 176408, 198459, 220510, 264612, 308714, 330765, 396918, 441020, 463071, 529224, 617428, 661530, 771785, 793836, 882040, 926142, 992295, 1080499, 1234856, 1323060, 1389213, 1543570, 1587672, 1852284, 1984590, 2160998, 2315355, 2646120, 2778426, 3087140, 3241497, 3704568, 3969180, 4321996, 4630710, 5402495, 5556852, 6174280, 6482994, 6946065, 7938360, 8643992, 9261420, 9724491, 10804990, 11113704, 12965988, 13892130, 16207485, 18522840, 19448982, 21609980, 25931976, 27784260, 32414970, 38897964, 43219960, 48622455, 55568520, 64829940, 77795928, 97244910, 129659880, 194489820, 388979640]

約数ペア:

[(1, 388979640), (2, 194489820), (3, 129659880), (4, 97244910), (5, 77795928), (6, 64829940), (7, 55568520), (8, 48622455), (9, 43219960), (10, 38897964), (12, 32414970), (14, 27784260), (15, 25931976), (18, 21609980), (20, 19448982), (21, 18522840), (24, 16207485), (28, 13892130), (30, 12965988), (35, 11113704), (36, 10804990), (40, 9724491), (42, 9261420), (45, 8643992), (49, 7938360), (56, 6946065), (60, 6482994), (63, 6174280), (70, 5556852), (72, 5402495), (84, 4630710), (90, 4321996), (98, 3969180), (105, 3704568), (120, 3241497), (126, 3087140), (140, 2778426), (147, 2646120), (168, 2315355), (180, 2160998), (196, 1984590), (210, 1852284), (245, 1587672), (252, 1543570), (280, 1389213), (294, 1323060), (315, 1234856), (360, 1080499), (392, 992295), (420, 926142), (441, 882040), (490, 793836), (504, 771785), (588, 661530), (630, 617428), (735, 529224), (840, 463071), (882, 441020), (980, 396918), (1176, 330765), (1260, 308714), (1470, 264612), (1764, 220510), (1960, 198459), (2205, 176408), (2520, 154357), (2940, 132306), (3528, 110255), (4410, 88204), (5880, 66153), (8820, 44102), (17640, 22051)]