990145650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:461

約数の個数: 144

約数和(自身を含む): 2687640480

約数和(自身を除く): 1697494830

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 139, 150, 169, 195, 278, 281, 325, 338, 390, 417, 507, 562, 650, 695, 834, 843, 845, 975, 1014, 1390, 1405, 1686, 1690, 1807, 1950, 2085, 2535, 2810, 3475, 3614, 3653, 4170, 4215, 4225, 5070, 5421, 6950, 7025, 7306, 8430, 8450, 9035, 10425, 10842, 10959, 12675, 14050, 18070, 18265, 20850, 21075, 21918, 23491, 25350, 27105, 36530, 39059, 42150, 45175, 46982, 47489, 54210, 54795, 70473, 78118, 90350, 91325, 94978, 109590, 117177, 117455, 135525, 140946, 142467, 182650, 195295, 234354, 234910, 237445, 271050, 273975, 284934, 352365, 390590, 474890, 507767, 547950, 585885, 587275, 704730, 712335, 976475, 1015534, 1171770, 1174550, 1187225, 1424670, 1523301, 1761825, 1952950, 2374450, 2538835, 2929425, 3046602, 3523650, 3561675, 5077670, 5858850, 6600971, 7123350, 7616505, 12694175, 13201942, 15233010, 19802913, 25388350, 33004855, 38082525, 39605826, 66009710, 76165050, 99014565, 165024275, 198029130, 330048550, 495072825, 990145650]

約数ペア:

[(1, 990145650), (2, 495072825), (3, 330048550), (5, 198029130), (6, 165024275), (10, 99014565), (13, 76165050), (15, 66009710), (25, 39605826), (26, 38082525), (30, 33004855), (39, 25388350), (50, 19802913), (65, 15233010), (75, 13201942), (78, 12694175), (130, 7616505), (139, 7123350), (150, 6600971), (169, 5858850), (195, 5077670), (278, 3561675), (281, 3523650), (325, 3046602), (338, 2929425), (390, 2538835), (417, 2374450), (507, 1952950), (562, 1761825), (650, 1523301), (695, 1424670), (834, 1187225), (843, 1174550), (845, 1171770), (975, 1015534), (1014, 976475), (1390, 712335), (1405, 704730), (1686, 587275), (1690, 585885), (1807, 547950), (1950, 507767), (2085, 474890), (2535, 390590), (2810, 352365), (3475, 284934), (3614, 273975), (3653, 271050), (4170, 237445), (4215, 234910), (4225, 234354), (5070, 195295), (5421, 182650), (6950, 142467), (7025, 140946), (7306, 135525), (8430, 117455), (8450, 117177), (9035, 109590), (10425, 94978), (10842, 91325), (10959, 90350), (12675, 78118), (14050, 70473), (18070, 54795), (18265, 54210), (20850, 47489), (21075, 46982), (21918, 45175), (23491, 42150), (25350, 39059), (27105, 36530)]