28699580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1213}}^1$

素因数の和:1255

約数の個数: 72

約数和(自身を含む): 74646432

約数和(自身を除く): 45946852

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1213, 1690, 1820, 2366, 2426, 3380, 4732, 4852, 5915, 6065, 8491, 11830, 12130, 15769, 16982, 23660, 24260, 31538, 33964, 42455, 63076, 78845, 84910, 110383, 157690, 169820, 204997, 220766, 315380, 409994, 441532, 551915, 819988, 1024985, 1103830, 1434979, 2049970, 2207660, 2869958, 4099940, 5739916, 7174895, 14349790, 28699580]

約数ペア:

[(1, 28699580), (2, 14349790), (4, 7174895), (5, 5739916), (7, 4099940), (10, 2869958), (13, 2207660), (14, 2049970), (20, 1434979), (26, 1103830), (28, 1024985), (35, 819988), (52, 551915), (65, 441532), (70, 409994), (91, 315380), (130, 220766), (140, 204997), (169, 169820), (182, 157690), (260, 110383), (338, 84910), (364, 78845), (455, 63076), (676, 42455), (845, 33964), (910, 31538), (1183, 24260), (1213, 23660), (1690, 16982), (1820, 15769), (2366, 12130), (2426, 11830), (3380, 8491), (4732, 6065), (4852, 5915)]