30260890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 60759720

約数和(自身を除く): 30498830

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 121, 178, 242, 281, 445, 562, 605, 890, 979, 1210, 1405, 1958, 2810, 3091, 4895, 6182, 9790, 10769, 15455, 21538, 25009, 30910, 34001, 50018, 53845, 68002, 107690, 125045, 170005, 250090, 275099, 340010, 550198, 1375495, 2750990, 3026089, 6052178, 15130445, 30260890]

約数ペア:

[(1, 30260890), (2, 15130445), (5, 6052178), (10, 3026089), (11, 2750990), (22, 1375495), (55, 550198), (89, 340010), (110, 275099), (121, 250090), (178, 170005), (242, 125045), (281, 107690), (445, 68002), (562, 53845), (605, 50018), (890, 34001), (979, 30910), (1210, 25009), (1405, 21538), (1958, 15455), (2810, 10769), (3091, 9790), (4895, 6182)]