438687210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:688

約数の個数: 128

約数和(自身を含む): 1212309504

約数和(自身を除く): 773622294

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 127, 130, 170, 195, 221, 254, 255, 381, 390, 442, 510, 521, 635, 663, 762, 1042, 1105, 1270, 1326, 1563, 1651, 1905, 2159, 2210, 2605, 3126, 3302, 3315, 3810, 4318, 4953, 5210, 6477, 6630, 6773, 7815, 8255, 8857, 9906, 10795, 12954, 13546, 15630, 16510, 17714, 20319, 21590, 24765, 26571, 28067, 32385, 33865, 40638, 44285, 49530, 53142, 56134, 64770, 66167, 67730, 84201, 88570, 101595, 115141, 132334, 132855, 140335, 168402, 198501, 203190, 230282, 265710, 280670, 330835, 345423, 397002, 421005, 575705, 661670, 690846, 842010, 860171, 992505, 1124839, 1151410, 1720342, 1727115, 1985010, 2249678, 2580513, 3374517, 3454230, 4300855, 5161026, 5624195, 6749034, 8601710, 11248390, 12902565, 14622907, 16872585, 25805130, 29245814, 33745170, 43868721, 73114535, 87737442, 146229070, 219343605, 438687210]

約数ペア:

[(1, 438687210), (2, 219343605), (3, 146229070), (5, 87737442), (6, 73114535), (10, 43868721), (13, 33745170), (15, 29245814), (17, 25805130), (26, 16872585), (30, 14622907), (34, 12902565), (39, 11248390), (51, 8601710), (65, 6749034), (78, 5624195), (85, 5161026), (102, 4300855), (127, 3454230), (130, 3374517), (170, 2580513), (195, 2249678), (221, 1985010), (254, 1727115), (255, 1720342), (381, 1151410), (390, 1124839), (442, 992505), (510, 860171), (521, 842010), (635, 690846), (663, 661670), (762, 575705), (1042, 421005), (1105, 397002), (1270, 345423), (1326, 330835), (1563, 280670), (1651, 265710), (1905, 230282), (2159, 203190), (2210, 198501), (2605, 168402), (3126, 140335), (3302, 132855), (3315, 132334), (3810, 115141), (4318, 101595), (4953, 88570), (5210, 84201), (6477, 67730), (6630, 66167), (6773, 64770), (7815, 56134), (8255, 53142), (8857, 49530), (9906, 44285), (10795, 40638), (12954, 33865), (13546, 32385), (15630, 28067), (16510, 26571), (17714, 24765), (20319, 21590)]