27975220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:857

約数の個数: 96

約数和(自身を含む): 76204800

約数和(自身を除く): 48229580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 809, 910, 988, 1235, 1330, 1618, 1729, 1820, 2470, 2660, 3236, 3458, 4045, 4940, 5663, 6916, 8090, 8645, 10517, 11326, 15371, 16180, 17290, 21034, 22652, 28315, 30742, 34580, 42068, 52585, 56630, 61484, 73619, 76855, 105170, 107597, 113260, 147238, 153710, 199823, 210340, 215194, 294476, 307420, 368095, 399646, 430388, 537985, 736190, 799292, 999115, 1075970, 1398761, 1472380, 1998230, 2151940, 2797522, 3996460, 5595044, 6993805, 13987610, 27975220]

約数ペア:

[(1, 27975220), (2, 13987610), (4, 6993805), (5, 5595044), (7, 3996460), (10, 2797522), (13, 2151940), (14, 1998230), (19, 1472380), (20, 1398761), (26, 1075970), (28, 999115), (35, 799292), (38, 736190), (52, 537985), (65, 430388), (70, 399646), (76, 368095), (91, 307420), (95, 294476), (130, 215194), (133, 210340), (140, 199823), (182, 153710), (190, 147238), (247, 113260), (260, 107597), (266, 105170), (364, 76855), (380, 73619), (455, 61484), (494, 56630), (532, 52585), (665, 42068), (809, 34580), (910, 30742), (988, 28315), (1235, 22652), (1330, 21034), (1618, 17290), (1729, 16180), (1820, 15371), (2470, 11326), (2660, 10517), (3236, 8645), (3458, 8090), (4045, 6916), (4940, 5663)]