395133440

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:450

約数の個数: 160

約数和(自身を含む): 1055932416

約数和(自身を除く): 660798976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 383, 403, 416, 496, 512, 520, 620, 640, 766, 806, 832, 992, 1040, 1240, 1280, 1532, 1612, 1664, 1915, 1984, 2015, 2080, 2480, 2560, 3064, 3224, 3328, 3830, 3968, 4030, 4160, 4960, 4979, 6128, 6448, 6656, 7660, 7936, 8060, 8320, 9920, 9958, 11873, 12256, 12896, 15320, 15872, 16120, 16640, 19840, 19916, 23746, 24512, 24895, 25792, 30640, 32240, 33280, 39680, 39832, 47492, 49024, 49790, 51584, 59365, 61280, 64480, 79360, 79664, 94984, 98048, 99580, 103168, 118730, 122560, 128960, 154349, 159328, 189968, 196096, 199160, 206336, 237460, 245120, 257920, 308698, 318656, 379936, 398320, 474920, 490240, 515840, 617396, 637312, 759872, 771745, 796640, 949840, 980480, 1031680, 1234792, 1274624, 1519744, 1543490, 1593280, 1899680, 2469584, 2549248, 3039488, 3086980, 3186560, 3799360, 4939168, 6078976, 6173960, 6373120, 7598720, 9878336, 12347920, 12746240, 15197440, 19756672, 24695840, 30394880, 39513344, 49391680, 79026688, 98783360, 197566720, 395133440]

約数ペア:

[(1, 395133440), (2, 197566720), (4, 98783360), (5, 79026688), (8, 49391680), (10, 39513344), (13, 30394880), (16, 24695840), (20, 19756672), (26, 15197440), (31, 12746240), (32, 12347920), (40, 9878336), (52, 7598720), (62, 6373120), (64, 6173960), (65, 6078976), (80, 4939168), (104, 3799360), (124, 3186560), (128, 3086980), (130, 3039488), (155, 2549248), (160, 2469584), (208, 1899680), (248, 1593280), (256, 1543490), (260, 1519744), (310, 1274624), (320, 1234792), (383, 1031680), (403, 980480), (416, 949840), (496, 796640), (512, 771745), (520, 759872), (620, 637312), (640, 617396), (766, 515840), (806, 490240), (832, 474920), (992, 398320), (1040, 379936), (1240, 318656), (1280, 308698), (1532, 257920), (1612, 245120), (1664, 237460), (1915, 206336), (1984, 199160), (2015, 196096), (2080, 189968), (2480, 159328), (2560, 154349), (3064, 128960), (3224, 122560), (3328, 118730), (3830, 103168), (3968, 99580), (4030, 98048), (4160, 94984), (4960, 79664), (4979, 79360), (6128, 64480), (6448, 61280), (6656, 59365), (7660, 51584), (7936, 49790), (8060, 49024), (8320, 47492), (9920, 39832), (9958, 39680), (11873, 33280), (12256, 32240), (12896, 30640), (15320, 25792), (15872, 24895), (16120, 24512), (16640, 23746), (19840, 19916)]