2615620

素因数分解:

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

素因数の和:197

約数の個数: 72

約数和(自身を含む): 6808536

約数和(自身を除く): 4192916

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 157, 170, 196, 238, 245, 314, 340, 476, 490, 595, 628, 785, 833, 980, 1099, 1190, 1570, 1666, 2198, 2380, 2669, 3140, 3332, 4165, 4396, 5338, 5495, 7693, 8330, 10676, 10990, 13345, 15386, 16660, 18683, 21980, 26690, 30772, 37366, 38465, 53380, 74732, 76930, 93415, 130781, 153860, 186830, 261562, 373660, 523124, 653905, 1307810, 2615620]

約数ペア:

[(1, 2615620), (2, 1307810), (4, 653905), (5, 523124), (7, 373660), (10, 261562), (14, 186830), (17, 153860), (20, 130781), (28, 93415), (34, 76930), (35, 74732), (49, 53380), (68, 38465), (70, 37366), (85, 30772), (98, 26690), (119, 21980), (140, 18683), (157, 16660), (170, 15386), (196, 13345), (238, 10990), (245, 10676), (314, 8330), (340, 7693), (476, 5495), (490, 5338), (595, 4396), (628, 4165), (785, 3332), (833, 3140), (980, 2669), (1099, 2380), (1190, 2198), (1570, 1666)]