25557420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{8693}}^1$

素因数の和:8719

約数の個数: 72

約数和(自身を含む): 83253744

約数和(自身を除く): 57696324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 8693, 17386, 26079, 34772, 43465, 52158, 60851, 86930, 104316, 121702, 130395, 173860, 182553, 243404, 260790, 304255, 365106, 425957, 521580, 608510, 730212, 851914, 912765, 1217020, 1277871, 1703828, 1825530, 2129785, 2555742, 3651060, 4259570, 5111484, 6389355, 8519140, 12778710, 25557420]

約数ペア:

[(1, 25557420), (2, 12778710), (3, 8519140), (4, 6389355), (5, 5111484), (6, 4259570), (7, 3651060), (10, 2555742), (12, 2129785), (14, 1825530), (15, 1703828), (20, 1277871), (21, 1217020), (28, 912765), (30, 851914), (35, 730212), (42, 608510), (49, 521580), (60, 425957), (70, 365106), (84, 304255), (98, 260790), (105, 243404), (140, 182553), (147, 173860), (196, 130395), (210, 121702), (245, 104316), (294, 86930), (420, 60851), (490, 52158), (588, 43465), (735, 34772), (980, 26079), (1470, 17386), (2940, 8693)]