40728940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 105114240

約数和(自身を除く): 64385300

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 109, 119, 140, 157, 170, 218, 238, 314, 340, 436, 476, 545, 595, 628, 763, 785, 1090, 1099, 1190, 1526, 1570, 1853, 2180, 2198, 2380, 2669, 3052, 3140, 3706, 3815, 4396, 5338, 5495, 7412, 7630, 9265, 10676, 10990, 12971, 13345, 15260, 17113, 18530, 18683, 21980, 25942, 26690, 34226, 37060, 37366, 51884, 53380, 64855, 68452, 74732, 85565, 93415, 119791, 129710, 171130, 186830, 239582, 259420, 290921, 342260, 373660, 479164, 581842, 598955, 1163684, 1197910, 1454605, 2036447, 2395820, 2909210, 4072894, 5818420, 8145788, 10182235, 20364470, 40728940]

約数ペア:

[(1, 40728940), (2, 20364470), (4, 10182235), (5, 8145788), (7, 5818420), (10, 4072894), (14, 2909210), (17, 2395820), (20, 2036447), (28, 1454605), (34, 1197910), (35, 1163684), (68, 598955), (70, 581842), (85, 479164), (109, 373660), (119, 342260), (140, 290921), (157, 259420), (170, 239582), (218, 186830), (238, 171130), (314, 129710), (340, 119791), (436, 93415), (476, 85565), (545, 74732), (595, 68452), (628, 64855), (763, 53380), (785, 51884), (1090, 37366), (1099, 37060), (1190, 34226), (1526, 26690), (1570, 25942), (1853, 21980), (2180, 18683), (2198, 18530), (2380, 17113), (2669, 15260), (3052, 13345), (3140, 12971), (3706, 10990), (3815, 10676), (4396, 9265), (5338, 7630), (5495, 7412)]