201997032100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1\times {\mathrm{911}}^1$

素因数の和:1598

約数の個数: 144

約数和(自身を含む): 457775700480

約数和(自身を除く): 255778668380

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 157, 290, 314, 487, 580, 628, 725, 785, 911, 974, 1450, 1570, 1822, 1948, 2435, 2900, 3140, 3644, 3925, 4553, 4555, 4870, 7850, 9106, 9110, 9740, 12175, 14123, 15700, 18212, 18220, 22765, 22775, 24350, 26419, 28246, 45530, 45550, 48700, 52838, 56492, 70615, 76459, 91060, 91100, 105676, 113825, 132095, 141230, 143027, 152918, 227650, 264190, 282460, 286054, 305836, 353075, 382295, 443657, 455300, 528380, 572108, 660475, 706150, 715135, 764590, 887314, 1320950, 1412300, 1430270, 1529180, 1774628, 1911475, 2217311, 2218285, 2641900, 2860540, 3575675, 3822950, 4147783, 4434622, 4436570, 7151350, 7645900, 8295566, 8869244, 8873140, 11086555, 11091425, 12866053, 14302700, 16591132, 20738915, 22173110, 22182850, 25732106, 41477830, 44346220, 44365700, 51464212, 55432775, 64330265, 69654149, 82955660, 103694575, 110865550, 128660530, 139308298, 207389150, 221731100, 257321060, 278616596, 321651325, 348270745, 414778300, 643302650, 696541490, 1286605300, 1393082980, 1741353725, 2019970321, 3482707450, 4039940642, 6965414900, 8079881284, 10099851605, 20199703210, 40399406420, 50499258025, 100998516050, 201997032100]

約数ペア:

[(1, 201997032100), (2, 100998516050), (4, 50499258025), (5, 40399406420), (10, 20199703210), (20, 10099851605), (25, 8079881284), (29, 6965414900), (50, 4039940642), (58, 3482707450), (100, 2019970321), (116, 1741353725), (145, 1393082980), (157, 1286605300), (290, 696541490), (314, 643302650), (487, 414778300), (580, 348270745), (628, 321651325), (725, 278616596), (785, 257321060), (911, 221731100), (974, 207389150), (1450, 139308298), (1570, 128660530), (1822, 110865550), (1948, 103694575), (2435, 82955660), (2900, 69654149), (3140, 64330265), (3644, 55432775), (3925, 51464212), (4553, 44365700), (4555, 44346220), (4870, 41477830), (7850, 25732106), (9106, 22182850), (9110, 22173110), (9740, 20738915), (12175, 16591132), (14123, 14302700), (15700, 12866053), (18212, 11091425), (18220, 11086555), (22765, 8873140), (22775, 8869244), (24350, 8295566), (26419, 7645900), (28246, 7151350), (45530, 4436570), (45550, 4434622), (48700, 4147783), (52838, 3822950), (56492, 3575675), (70615, 2860540), (76459, 2641900), (91060, 2218285), (91100, 2217311), (105676, 1911475), (113825, 1774628), (132095, 1529180), (141230, 1430270), (143027, 1412300), (152918, 1320950), (227650, 887314), (264190, 764590), (282460, 715135), (286054, 706150), (305836, 660475), (353075, 572108), (382295, 528380), (443657, 455300)]