210600000020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1\times {\mathrm{4919}}^1$

素因数の和:5685

約数の個数: 96

約数和(自身を含む): 465227642880

約数和(自身を除く): 254627642860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 163, 230, 326, 460, 571, 652, 815, 1142, 1630, 2284, 2855, 3260, 3749, 4919, 5710, 7498, 9838, 11420, 13133, 14996, 18745, 19676, 24595, 26266, 37490, 49190, 52532, 65665, 74980, 93073, 98380, 113137, 131330, 186146, 226274, 262660, 372292, 452548, 465365, 565685, 801797, 930730, 1131370, 1603594, 1861460, 2140679, 2262740, 2808749, 3207188, 4008985, 4281358, 5617498, 8017970, 8562716, 10703395, 11234996, 14043745, 16035940, 18441331, 21406790, 28087490, 36882662, 42813580, 56174980, 64601227, 73765324, 92206655, 129202454, 184413310, 258404908, 323006135, 368826620, 457826087, 646012270, 915652174, 1292024540, 1831304348, 2289130435, 4578260870, 9156521740, 10530000001, 21060000002, 42120000004, 52650000005, 105300000010, 210600000020]

約数ペア:

[(1, 210600000020), (2, 105300000010), (4, 52650000005), (5, 42120000004), (10, 21060000002), (20, 10530000001), (23, 9156521740), (46, 4578260870), (92, 2289130435), (115, 1831304348), (163, 1292024540), (230, 915652174), (326, 646012270), (460, 457826087), (571, 368826620), (652, 323006135), (815, 258404908), (1142, 184413310), (1630, 129202454), (2284, 92206655), (2855, 73765324), (3260, 64601227), (3749, 56174980), (4919, 42813580), (5710, 36882662), (7498, 28087490), (9838, 21406790), (11420, 18441331), (13133, 16035940), (14996, 14043745), (18745, 11234996), (19676, 10703395), (24595, 8562716), (26266, 8017970), (37490, 5617498), (49190, 4281358), (52532, 4008985), (65665, 3207188), (74980, 2808749), (93073, 2262740), (98380, 2140679), (113137, 1861460), (131330, 1603594), (186146, 1131370), (226274, 930730), (262660, 801797), (372292, 565685), (452548, 465365)]