388348520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{571}}^1$

素因数の和:943

約数の個数: 96

約数和(自身を含む): 1021157280

約数和(自身を除く): 632808760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 347, 392, 490, 571, 694, 980, 1142, 1388, 1735, 1960, 2284, 2429, 2776, 2855, 3470, 3997, 4568, 4858, 5710, 6940, 7994, 9716, 11420, 12145, 13880, 15988, 17003, 19432, 19985, 22840, 24290, 27979, 31976, 34006, 39970, 48580, 55958, 68012, 79940, 85015, 97160, 111916, 136024, 139895, 159880, 170030, 198137, 223832, 279790, 340060, 396274, 559580, 680120, 792548, 990685, 1119160, 1386959, 1585096, 1981370, 2773918, 3962740, 5547836, 6934795, 7925480, 9708713, 11095672, 13869590, 19417426, 27739180, 38834852, 48543565, 55478360, 77669704, 97087130, 194174260, 388348520]

約数ペア:

[(1, 388348520), (2, 194174260), (4, 97087130), (5, 77669704), (7, 55478360), (8, 48543565), (10, 38834852), (14, 27739180), (20, 19417426), (28, 13869590), (35, 11095672), (40, 9708713), (49, 7925480), (56, 6934795), (70, 5547836), (98, 3962740), (140, 2773918), (196, 1981370), (245, 1585096), (280, 1386959), (347, 1119160), (392, 990685), (490, 792548), (571, 680120), (694, 559580), (980, 396274), (1142, 340060), (1388, 279790), (1735, 223832), (1960, 198137), (2284, 170030), (2429, 159880), (2776, 139895), (2855, 136024), (3470, 111916), (3997, 97160), (4568, 85015), (4858, 79940), (5710, 68012), (6940, 55958), (7994, 48580), (9716, 39970), (11420, 34006), (12145, 31976), (13880, 27979), (15988, 24290), (17003, 22840), (19432, 19985)]