1681489950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:483

約数の個数: 192

約数和(自身を含む): 4934684160

約数和(自身を除く): 3253194210

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 41, 42, 50, 70, 75, 82, 105, 123, 139, 150, 175, 205, 210, 246, 278, 281, 287, 350, 410, 417, 525, 562, 574, 615, 695, 834, 843, 861, 973, 1025, 1050, 1230, 1390, 1405, 1435, 1686, 1722, 1946, 1967, 2050, 2085, 2810, 2870, 2919, 3075, 3475, 3934, 4170, 4215, 4305, 4865, 5699, 5838, 5901, 6150, 6950, 7025, 7175, 8430, 8610, 9730, 9835, 10425, 11398, 11521, 11802, 14050, 14350, 14595, 17097, 19670, 20850, 21075, 21525, 23042, 24325, 28495, 29190, 29505, 34194, 34563, 39059, 39893, 42150, 43050, 48650, 49175, 56990, 57605, 59010, 69126, 72975, 78118, 79786, 80647, 85485, 98350, 115210, 117177, 119679, 142475, 145950, 147525, 161294, 170970, 172815, 195295, 199465, 234354, 239358, 241941, 273413, 284950, 288025, 295050, 345630, 390590, 398930, 403235, 427425, 483882, 546826, 576050, 585885, 598395, 806470, 820239, 854850, 864075, 976475, 997325, 1171770, 1196790, 1209705, 1367065, 1601419, 1640478, 1728150, 1952950, 1994650, 2016175, 2419410, 2734130, 2929425, 2991975, 3202838, 4032350, 4101195, 4804257, 5858850, 5983950, 6048525, 6835325, 8007095, 8202390, 9608514, 11209933, 12097050, 13670650, 16014190, 20505975, 22419866, 24021285, 33629799, 40035475, 41011950, 48042570, 56049665, 67259598, 80070950, 112099330, 120106425, 168148995, 240212850, 280248325, 336297990, 560496650, 840744975, 1681489950]

約数ペア:

[(1, 1681489950), (2, 840744975), (3, 560496650), (5, 336297990), (6, 280248325), (7, 240212850), (10, 168148995), (14, 120106425), (15, 112099330), (21, 80070950), (25, 67259598), (30, 56049665), (35, 48042570), (41, 41011950), (42, 40035475), (50, 33629799), (70, 24021285), (75, 22419866), (82, 20505975), (105, 16014190), (123, 13670650), (139, 12097050), (150, 11209933), (175, 9608514), (205, 8202390), (210, 8007095), (246, 6835325), (278, 6048525), (281, 5983950), (287, 5858850), (350, 4804257), (410, 4101195), (417, 4032350), (525, 3202838), (562, 2991975), (574, 2929425), (615, 2734130), (695, 2419410), (834, 2016175), (843, 1994650), (861, 1952950), (973, 1728150), (1025, 1640478), (1050, 1601419), (1230, 1367065), (1390, 1209705), (1405, 1196790), (1435, 1171770), (1686, 997325), (1722, 976475), (1946, 864075), (1967, 854850), (2050, 820239), (2085, 806470), (2810, 598395), (2870, 585885), (2919, 576050), (3075, 546826), (3475, 483882), (3934, 427425), (4170, 403235), (4215, 398930), (4305, 390590), (4865, 345630), (5699, 295050), (5838, 288025), (5901, 284950), (6150, 273413), (6950, 241941), (7025, 239358), (7175, 234354), (8430, 199465), (8610, 195295), (9730, 172815), (9835, 170970), (10425, 161294), (11398, 147525), (11521, 145950), (11802, 142475), (14050, 119679), (14350, 117177), (14595, 115210), (17097, 98350), (19670, 85485), (20850, 80647), (21075, 79786), (21525, 78118), (23042, 72975), (24325, 69126), (28495, 59010), (29190, 57605), (29505, 56990), (34194, 49175), (34563, 48650), (39059, 43050), (39893, 42150)]