397018880

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 998240544

約数和(自身を除く): 601221664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 83, 101, 128, 148, 160, 166, 185, 202, 256, 296, 320, 332, 370, 404, 415, 505, 592, 640, 664, 740, 808, 830, 1010, 1184, 1280, 1328, 1480, 1616, 1660, 2020, 2368, 2656, 2960, 3071, 3232, 3320, 3737, 4040, 4736, 5312, 5920, 6142, 6464, 6640, 7474, 8080, 8383, 9472, 10624, 11840, 12284, 12928, 13280, 14948, 15355, 16160, 16766, 18685, 21248, 23680, 24568, 25856, 26560, 29896, 30710, 32320, 33532, 37370, 41915, 47360, 49136, 53120, 59792, 61420, 64640, 67064, 74740, 83830, 98272, 106240, 119584, 122840, 129280, 134128, 149480, 167660, 196544, 239168, 245680, 268256, 298960, 310171, 335320, 393088, 478336, 491360, 536512, 597920, 620342, 670640, 786176, 956672, 982720, 1073024, 1195840, 1240684, 1341280, 1550855, 1965440, 2146048, 2391680, 2481368, 2682560, 3101710, 3930880, 4783360, 4962736, 5365120, 6203420, 9925472, 10730240, 12406840, 19850944, 24813680, 39701888, 49627360, 79403776, 99254720, 198509440, 397018880]

約数ペア:

[(1, 397018880), (2, 198509440), (4, 99254720), (5, 79403776), (8, 49627360), (10, 39701888), (16, 24813680), (20, 19850944), (32, 12406840), (37, 10730240), (40, 9925472), (64, 6203420), (74, 5365120), (80, 4962736), (83, 4783360), (101, 3930880), (128, 3101710), (148, 2682560), (160, 2481368), (166, 2391680), (185, 2146048), (202, 1965440), (256, 1550855), (296, 1341280), (320, 1240684), (332, 1195840), (370, 1073024), (404, 982720), (415, 956672), (505, 786176), (592, 670640), (640, 620342), (664, 597920), (740, 536512), (808, 491360), (830, 478336), (1010, 393088), (1184, 335320), (1280, 310171), (1328, 298960), (1480, 268256), (1616, 245680), (1660, 239168), (2020, 196544), (2368, 167660), (2656, 149480), (2960, 134128), (3071, 129280), (3232, 122840), (3320, 119584), (3737, 106240), (4040, 98272), (4736, 83830), (5312, 74740), (5920, 67064), (6142, 64640), (6464, 61420), (6640, 59792), (7474, 53120), (8080, 49136), (8383, 47360), (9472, 41915), (10624, 37370), (11840, 33532), (12284, 32320), (12928, 30710), (13280, 29896), (14948, 26560), (15355, 25856), (16160, 24568), (16766, 23680), (18685, 21248)]