219976120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 614154240

約数和(自身を除く): 394178120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 223, 260, 271, 280, 364, 446, 455, 520, 542, 728, 892, 910, 1084, 1115, 1355, 1561, 1784, 1820, 1897, 2168, 2230, 2710, 2899, 3122, 3523, 3640, 3794, 4460, 5420, 5798, 6244, 7046, 7588, 7805, 8920, 9485, 10840, 11596, 12488, 14092, 14495, 15176, 15610, 17615, 18970, 20293, 23192, 24661, 28184, 28990, 31220, 35230, 37940, 40586, 49322, 57980, 60433, 62440, 70460, 75880, 81172, 98644, 101465, 115960, 120866, 123305, 140920, 162344, 197288, 202930, 241732, 246610, 302165, 405860, 423031, 483464, 493220, 604330, 785629, 811720, 846062, 986440, 1208660, 1571258, 1692124, 2115155, 2417320, 3142516, 3384248, 3928145, 4230310, 5499403, 6285032, 7856290, 8460620, 10998806, 15712580, 16921240, 21997612, 27497015, 31425160, 43995224, 54994030, 109988060, 219976120]

約数ペア:

[(1, 219976120), (2, 109988060), (4, 54994030), (5, 43995224), (7, 31425160), (8, 27497015), (10, 21997612), (13, 16921240), (14, 15712580), (20, 10998806), (26, 8460620), (28, 7856290), (35, 6285032), (40, 5499403), (52, 4230310), (56, 3928145), (65, 3384248), (70, 3142516), (91, 2417320), (104, 2115155), (130, 1692124), (140, 1571258), (182, 1208660), (223, 986440), (260, 846062), (271, 811720), (280, 785629), (364, 604330), (446, 493220), (455, 483464), (520, 423031), (542, 405860), (728, 302165), (892, 246610), (910, 241732), (1084, 202930), (1115, 197288), (1355, 162344), (1561, 140920), (1784, 123305), (1820, 120866), (1897, 115960), (2168, 101465), (2230, 98644), (2710, 81172), (2899, 75880), (3122, 70460), (3523, 62440), (3640, 60433), (3794, 57980), (4460, 49322), (5420, 40586), (5798, 37940), (6244, 35230), (7046, 31220), (7588, 28990), (7805, 28184), (8920, 24661), (9485, 23192), (10840, 20293), (11596, 18970), (12488, 17615), (14092, 15610), (14495, 15176)]