188945820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8821}}^1$

素因数の和:8860

約数の個数: 144

約数和(自身を含む): 693620928

約数和(自身を除く): 504675108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 8821, 10710, 17642, 21420, 26463, 35284, 44105, 52926, 61747, 79389, 88210, 105852, 123494, 132315, 149957, 158778, 176420, 185241, 246988, 264630, 299914, 308735, 317556, 370482, 396945, 449871, 529260, 555723, 599828, 617470, 740964, 749785, 793890, 899742, 926205, 1049699, 1111446, 1234940, 1349613, 1499570, 1587780, 1799484, 1852410, 2099398, 2222892, 2249355, 2699226, 2778615, 2999140, 3149097, 3704820, 4198796, 4498710, 5248495, 5398452, 5557230, 6298194, 6748065, 8997420, 9447291, 10496990, 11114460, 12596388, 13496130, 15745485, 18894582, 20993980, 26992260, 31490970, 37789164, 47236455, 62981940, 94472910, 188945820]

約数ペア:

[(1, 188945820), (2, 94472910), (3, 62981940), (4, 47236455), (5, 37789164), (6, 31490970), (7, 26992260), (9, 20993980), (10, 18894582), (12, 15745485), (14, 13496130), (15, 12596388), (17, 11114460), (18, 10496990), (20, 9447291), (21, 8997420), (28, 6748065), (30, 6298194), (34, 5557230), (35, 5398452), (36, 5248495), (42, 4498710), (45, 4198796), (51, 3704820), (60, 3149097), (63, 2999140), (68, 2778615), (70, 2699226), (84, 2249355), (85, 2222892), (90, 2099398), (102, 1852410), (105, 1799484), (119, 1587780), (126, 1499570), (140, 1349613), (153, 1234940), (170, 1111446), (180, 1049699), (204, 926205), (210, 899742), (238, 793890), (252, 749785), (255, 740964), (306, 617470), (315, 599828), (340, 555723), (357, 529260), (420, 449871), (476, 396945), (510, 370482), (595, 317556), (612, 308735), (630, 299914), (714, 264630), (765, 246988), (1020, 185241), (1071, 176420), (1190, 158778), (1260, 149957), (1428, 132315), (1530, 123494), (1785, 105852), (2142, 88210), (2380, 79389), (3060, 61747), (3570, 52926), (4284, 44105), (5355, 35284), (7140, 26463), (8821, 21420), (10710, 17642)]