197117970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 575078400

約数和(自身を除く): 377960430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 127, 133, 190, 210, 254, 266, 285, 381, 389, 399, 570, 635, 665, 762, 778, 798, 889, 1167, 1270, 1330, 1778, 1905, 1945, 1995, 2334, 2413, 2667, 2723, 3810, 3890, 3990, 4445, 4826, 5334, 5446, 5835, 7239, 7391, 8169, 8890, 11670, 12065, 13335, 13615, 14478, 14782, 16338, 16891, 22173, 24130, 26670, 27230, 33782, 36195, 36955, 40845, 44346, 49403, 50673, 51737, 72390, 73910, 81690, 84455, 98806, 101346, 103474, 110865, 148209, 155211, 168910, 221730, 247015, 253365, 258685, 296418, 310422, 345821, 494030, 506730, 517370, 691642, 741045, 776055, 938657, 1037463, 1482090, 1552110, 1729105, 1877314, 2074926, 2815971, 3458210, 4693285, 5187315, 5631942, 6570599, 9386570, 10374630, 13141198, 14079855, 19711797, 28159710, 32852995, 39423594, 65705990, 98558985, 197117970]

約数ペア:

[(1, 197117970), (2, 98558985), (3, 65705990), (5, 39423594), (6, 32852995), (7, 28159710), (10, 19711797), (14, 14079855), (15, 13141198), (19, 10374630), (21, 9386570), (30, 6570599), (35, 5631942), (38, 5187315), (42, 4693285), (57, 3458210), (70, 2815971), (95, 2074926), (105, 1877314), (114, 1729105), (127, 1552110), (133, 1482090), (190, 1037463), (210, 938657), (254, 776055), (266, 741045), (285, 691642), (381, 517370), (389, 506730), (399, 494030), (570, 345821), (635, 310422), (665, 296418), (762, 258685), (778, 253365), (798, 247015), (889, 221730), (1167, 168910), (1270, 155211), (1330, 148209), (1778, 110865), (1905, 103474), (1945, 101346), (1995, 98806), (2334, 84455), (2413, 81690), (2667, 73910), (2723, 72390), (3810, 51737), (3890, 50673), (3990, 49403), (4445, 44346), (4826, 40845), (5334, 36955), (5446, 36195), (5835, 33782), (7239, 27230), (7391, 26670), (8169, 24130), (8890, 22173), (11670, 16891), (12065, 16338), (13335, 14782), (13615, 14478)]