90198680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1213}}^1$

素因数の和:1261

約数の個数: 96

約数和(自身を含む): 239934960

約数和(自身を除く): 149736280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 169, 220, 260, 286, 338, 440, 520, 572, 676, 715, 845, 1144, 1213, 1352, 1430, 1690, 1859, 2426, 2860, 3380, 3718, 4852, 5720, 6065, 6760, 7436, 9295, 9704, 12130, 13343, 14872, 15769, 18590, 24260, 26686, 31538, 37180, 48520, 53372, 63076, 66715, 74360, 78845, 106744, 126152, 133430, 157690, 173459, 204997, 266860, 315380, 346918, 409994, 533720, 630760, 693836, 819988, 867295, 1024985, 1387672, 1639976, 1734590, 2049970, 2254967, 3469180, 4099940, 4509934, 6938360, 8199880, 9019868, 11274835, 18039736, 22549670, 45099340, 90198680]

約数ペア:

[(1, 90198680), (2, 45099340), (4, 22549670), (5, 18039736), (8, 11274835), (10, 9019868), (11, 8199880), (13, 6938360), (20, 4509934), (22, 4099940), (26, 3469180), (40, 2254967), (44, 2049970), (52, 1734590), (55, 1639976), (65, 1387672), (88, 1024985), (104, 867295), (110, 819988), (130, 693836), (143, 630760), (169, 533720), (220, 409994), (260, 346918), (286, 315380), (338, 266860), (440, 204997), (520, 173459), (572, 157690), (676, 133430), (715, 126152), (845, 106744), (1144, 78845), (1213, 74360), (1352, 66715), (1430, 63076), (1690, 53372), (1859, 48520), (2426, 37180), (2860, 31538), (3380, 26686), (3718, 24260), (4852, 18590), (5720, 15769), (6065, 14872), (6760, 13343), (7436, 12130), (9295, 9704)]