672203950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{661}}^1$

素因数の和:770

約数の個数: 72

約数和(自身を含む): 1398533256

約数和(自身を除く): 726329306

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 215, 275, 430, 473, 550, 661, 946, 1075, 1322, 1849, 2150, 2365, 3305, 3698, 4730, 6610, 7271, 9245, 11825, 14542, 16525, 18490, 20339, 23650, 28423, 33050, 36355, 40678, 46225, 56846, 72710, 92450, 101695, 142115, 181775, 203390, 284230, 312653, 363550, 508475, 625306, 710575, 1016950, 1222189, 1421150, 1563265, 2444378, 3126530, 6110945, 7816325, 12221890, 13444079, 15632650, 26888158, 30554725, 61109450, 67220395, 134440790, 336101975, 672203950]

約数ペア:

[(1, 672203950), (2, 336101975), (5, 134440790), (10, 67220395), (11, 61109450), (22, 30554725), (25, 26888158), (43, 15632650), (50, 13444079), (55, 12221890), (86, 7816325), (110, 6110945), (215, 3126530), (275, 2444378), (430, 1563265), (473, 1421150), (550, 1222189), (661, 1016950), (946, 710575), (1075, 625306), (1322, 508475), (1849, 363550), (2150, 312653), (2365, 284230), (3305, 203390), (3698, 181775), (4730, 142115), (6610, 101695), (7271, 92450), (9245, 72710), (11825, 56846), (14542, 46225), (16525, 40678), (18490, 36355), (20339, 33050), (23650, 28423)]