27819220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 70108416

約数和(自身を除く): 42289196

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 71, 110, 130, 137, 142, 143, 220, 260, 274, 284, 286, 355, 548, 572, 685, 710, 715, 781, 923, 1370, 1420, 1430, 1507, 1562, 1781, 1846, 2740, 2860, 3014, 3124, 3562, 3692, 3905, 4615, 6028, 7124, 7535, 7810, 8905, 9230, 9727, 10153, 15070, 15620, 17810, 18460, 19454, 19591, 20306, 30140, 35620, 38908, 39182, 40612, 48635, 50765, 78364, 97270, 97955, 101530, 106997, 126451, 194540, 195910, 203060, 213994, 252902, 391820, 427988, 505804, 534985, 632255, 1069970, 1264510, 1390961, 2139940, 2529020, 2781922, 5563844, 6954805, 13909610, 27819220]

約数ペア:

[(1, 27819220), (2, 13909610), (4, 6954805), (5, 5563844), (10, 2781922), (11, 2529020), (13, 2139940), (20, 1390961), (22, 1264510), (26, 1069970), (44, 632255), (52, 534985), (55, 505804), (65, 427988), (71, 391820), (110, 252902), (130, 213994), (137, 203060), (142, 195910), (143, 194540), (220, 126451), (260, 106997), (274, 101530), (284, 97955), (286, 97270), (355, 78364), (548, 50765), (572, 48635), (685, 40612), (710, 39182), (715, 38908), (781, 35620), (923, 30140), (1370, 20306), (1420, 19591), (1430, 19454), (1507, 18460), (1562, 17810), (1781, 15620), (1846, 15070), (2740, 10153), (2860, 9727), (3014, 9230), (3124, 8905), (3562, 7810), (3692, 7535), (3905, 7124), (4615, 6028)]