201456770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 391474944

約数和(自身を除く): 190018174

約数列:

[1, 2, 5, 10, 23, 46, 61, 83, 115, 122, 166, 173, 230, 305, 346, 415, 610, 830, 865, 1403, 1730, 1909, 2806, 3818, 3979, 5063, 7015, 7958, 9545, 10126, 10553, 14030, 14359, 19090, 19895, 21106, 25315, 28718, 39790, 50630, 52765, 71795, 105530, 116449, 143590, 232898, 242719, 330257, 485438, 582245, 660514, 875899, 1164490, 1213595, 1651285, 1751798, 2427190, 3302570, 4379495, 8758990, 20145677, 40291354, 100728385, 201456770]

約数ペア:

[(1, 201456770), (2, 100728385), (5, 40291354), (10, 20145677), (23, 8758990), (46, 4379495), (61, 3302570), (83, 2427190), (115, 1751798), (122, 1651285), (166, 1213595), (173, 1164490), (230, 875899), (305, 660514), (346, 582245), (415, 485438), (610, 330257), (830, 242719), (865, 232898), (1403, 143590), (1730, 116449), (1909, 105530), (2806, 71795), (3818, 52765), (3979, 50630), (5063, 39790), (7015, 28718), (7958, 25315), (9545, 21106), (10126, 19895), (10553, 19090), (14030, 14359)]