1839471700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{311}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 4614704640

約数和(自身を除く): 2775232940

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 283, 311, 380, 418, 475, 550, 566, 622, 836, 950, 1045, 1100, 1132, 1244, 1415, 1555, 1900, 2090, 2830, 3110, 3113, 3421, 4180, 5225, 5377, 5660, 5909, 6220, 6226, 6842, 7075, 7775, 10450, 10754, 11818, 12452, 13684, 14150, 15550, 15565, 17105, 20900, 21508, 23636, 26885, 28300, 29545, 31100, 31130, 34210, 53770, 59090, 59147, 62260, 64999, 68420, 77825, 85525, 88013, 107540, 118180, 118294, 129998, 134425, 147725, 155650, 171050, 176026, 236588, 259996, 268850, 295450, 295735, 311300, 324995, 342100, 352052, 440065, 537700, 590900, 591470, 649990, 880130, 968143, 1182940, 1299980, 1478675, 1624975, 1672247, 1760260, 1936286, 2200325, 2957350, 3249950, 3344494, 3872572, 4400650, 4840715, 5914700, 6499900, 6688988, 8361235, 8801300, 9681430, 16722470, 18394717, 19362860, 24203575, 33444940, 36789434, 41806175, 48407150, 73578868, 83612350, 91973585, 96814300, 167224700, 183947170, 367894340, 459867925, 919735850, 1839471700]

約数ペア:

[(1, 1839471700), (2, 919735850), (4, 459867925), (5, 367894340), (10, 183947170), (11, 167224700), (19, 96814300), (20, 91973585), (22, 83612350), (25, 73578868), (38, 48407150), (44, 41806175), (50, 36789434), (55, 33444940), (76, 24203575), (95, 19362860), (100, 18394717), (110, 16722470), (190, 9681430), (209, 8801300), (220, 8361235), (275, 6688988), (283, 6499900), (311, 5914700), (380, 4840715), (418, 4400650), (475, 3872572), (550, 3344494), (566, 3249950), (622, 2957350), (836, 2200325), (950, 1936286), (1045, 1760260), (1100, 1672247), (1132, 1624975), (1244, 1478675), (1415, 1299980), (1555, 1182940), (1900, 968143), (2090, 880130), (2830, 649990), (3110, 591470), (3113, 590900), (3421, 537700), (4180, 440065), (5225, 352052), (5377, 342100), (5660, 324995), (5909, 311300), (6220, 295735), (6226, 295450), (6842, 268850), (7075, 259996), (7775, 236588), (10450, 176026), (10754, 171050), (11818, 155650), (12452, 147725), (13684, 134425), (14150, 129998), (15550, 118294), (15565, 118180), (17105, 107540), (20900, 88013), (21508, 85525), (23636, 77825), (26885, 68420), (28300, 64999), (29545, 62260), (31100, 59147), (31130, 59090), (34210, 53770)]